n
Alternative spelling of 00s [The first decade of a century: the 1900s, 2000s, etc.]
n
Alternative form of 14-18; World War I [World War I]
n
Alternative spelling of 20s [The decade of the 2020s.]
n
Alternative spelling of 30s [The decade of the 1930s.]
n
Alternative spelling of 40s [The decade of the 1940s.]
n
Alternative spelling of 50s [The decade of the 1950s.]
n
Alternative spelling of 60s [The decade of the 1960s.]
n
Alternative spelling of 70s [The decade of the 1970s.]
n
Alternative spelling of 80s [The decade of the 1980s.]
n
Alternative spelling of 90s [The decade beginning in '90 and ending in '99 of a century.]
n
Alternative form of 00s [The first decade of a century: the 1900s, 2000s, etc.]
n
The first decade of a century: the 1900s, 2000s, etc.
n
Alternative form of 10s [Temperatures from 10 to 19 degrees.]
n
Temperatures from 10 to 19 degrees.
n
The decade from 110 to 119.
n
The decade from 120 to 129.
n
The decade from 1370 to 1379.
n
The decade from 1380 to 1389.
n
The decade from 1390 to 1399.
n
The century from 1700 to 1799.
n
The decade from 1710 to 1719.
n
The decade from 1720 to 1729.
n
The decade from 1730 to 1739.
n
The decade from 1740 to 1749.
n
The decade from 1750 to 1759.
n
The decade from 1760 to 1769.
n
The decade from 1770 to 1779.
n
The decade from 1780 to 1789.
n
The decade from 1790 to 1799.
n
The decade from 1800 to 1809.
n
The decade from 1810 to 1819.
n
The decade from 1820 to 1829.
n
The decade from 1830 to 1839.
n
The decade from 1840 to 1849.
n
The decade from 1850 to 1859.
n
The decade from 1860 to 1869.
n
The decade from 1870 to 1879.
n
The decade from 1880 to 1889.
n
The decade from 1890 to 1899.
n
The century that began on January 1, 1900, and ended on December 31, 1999. Approximately equal to the twentieth century.
n
The decade from 190 to 199 AD
n
Alternative form of 1910s [The decade from 1910 to 1919.]
n
The decade from 1910 to 1919.
n
Alternative form of 1920s [The decade from 1920 to 1929.]
n
The decade from 1920 to 1929.
n
Alternative form of 1930s [The decade from 1930 to 1939.]
n
The decade from 1930 to 1939.
n
Alternative form of 1940s [The decade from 1940 to 1949.]
n
The decade from 1940 to 1949.
n
Alternative form of 1950s [The decade beginning in 1950 and ending in 1959.]
n
The decade beginning in 1950 and ending in 1959.
n
Alternative form of 1960s [The decade beginning in 1960 and ending in 1969.]
n
The decade beginning in 1960 and ending in 1969.
n
Alternative form of 1970s [The decade beginning in 1970 and ending in 1979.]
n
The decade beginning in 1970 and ending in 1979.
n
Alternative form of 1980s [The decade beginning in 1980 and ending in 1989.]
n
The decade beginning in 1980 and ending in 1989.
n
Alternative form of 1990s [The decade that began in 1990 and ended in 1999.]
n
The decade that began in 1990 and ended in 1999.
adj
Alternative form of 2S; Abbreviation of two-spirited.
n
Alternative form of 20s [The decade of the 2020s.]
n
The decade that began on January 1, 2000 and ended on December 31, 2009.
n
The decade from 2010 to 2019.
n
The decade from 2020 to 2029.
n
The decade from 2030 to 2039.
n
The decade from 2040 to 2049.
n
The decade from 2050 to 2059.
n
The decade from 2060 to 2069.
n
The decade from 2070 to 2079.
n
The decade from 2080 to 2089.
n
The decade from 2090 to 2099.
n
The decade of the 2020s.
n
The decade from 2160 to 2169.
adv
Abbreviation of secondly. Obsolete form of 2ndly.
adj
Abbreviation of secondary. [Next in order to the first or primary; of second place in origin, rank, etc.]
n
Alternative form of 30s [The decade of the 1930s.]
n
The decade of the 1930s.
n
Alternative form of 40s [The decade of the 1940s.]
n
The decade of the 1940s.
n
Alternative form of 50s [The decade of the 1950s.]
n
Temperatures from 50 to 59 degrees.
n
Alternative form of 60s [The decade of the 1960s.]
n
The decade of the 1960s.
n
Alternative form of sixty-niner [sixty-nine (sex act)]
n
Alternative form of 70s [The decade of the 1970s.]
n
The decade of the 1970s.
n
(obsolete) Abbreviation of September. [The ninth month of the Gregorian calendar, following August and preceding October. Abbreviations: Sep or Sep., Sept or Sept.]
n
Alternative form of 80s [The decade of the 1980s.]
n
The decade of the 1980s.
n
Alternative form of 90s [The decade beginning in '90 and ending in '99 of a century.]
n
The decade beginning in '90 and ending in '99 of a century.
adv
Abbreviation of annually. [Once every year without fail, yearly]
n
(countable) A period of one hundred years; a century.
adj
Occurring yearly; annual.
n
A medical checkup taking place once a year.
n
The condition of being annual
n
Alternative form of Age of Aquarius [(astrology) A historical period corresponding to the astrological sign of Aquarius, concerning the timing of which (past, present, or future) there is a wide range of views.]
n
The first decade of a century, such as 1900 to 1909 or 2000 to 2009, whose digit in the tens place is zero; the noughties.
adj
Alternative spelling of biannual [Occurring twice a year; semiannual.]
adj
alternative form of bihourly [Occurring once every two hours.]
adj
Alternative form of biweekly [Occurring once every two weeks; fortnightly.]
n
Something occurring twice each year.
n
One who or that which is between 200 and 299 years old.
n
The 200th anniversary of an event or happening.
adv
Every two hundred years.
adv
(pharmacology) twice a day, two times per day
adj
Occurring twice in a day.
n
A biennial celebration or exhibition
adj
(uncommon) Synonym of biennial: of or concerning a two-year period; lasting or occurring every two years.
n
An event that happens every two years.
n
The condition of being biennial
n
A period of two years, particularly for purposes involving intercalation or fiscal calculations.
adj
Pertaining to an age or duration of 2,000 years.
adj
Happening every two months.
adj
Occurring every two months.
adj
Occurring once every two months
n
A two-thousandth anniversary
adj
Occurring every 2,000 years.
adj
Occurring once every two months; bimestrial
adj
Twice every quarter, i.e. eight times per year.
adv
Twice; showing that something is, or is to be, repeated, such as a passage of music, or an item in accounts.
adj
Occurring once every two weeks; fortnightly.
adj
Occurring twice per year; biannual
n
(UK, military, historical, slang) The 50th (Queen's Own) Regiment of Foot.
n
The nineteenth century; the 1800s.
n
(nonstandard) A centenarian.
n
(historical, military) During the Hundred Years' War, a commander of one hundred infantry.
adj
Of or relating to centenarians or a centenary celebration.
n
The state of being at least 100 years of age.
n
(obsolete, rare) Synonym of centenarian: a person 100 or more years old.
n
(obsolete) Synonym of centurion: An officer overseeing 100 men, especially (historical) in the Roman army.
adv
once a century, every one hundred years
n
(rare) Synonym of century: A period of 100 years.
n
A period of time consisting of one hundred thousand years.
n
Alternative form of century [A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.]
adj
Alternative letter-case form of centum. [(Indo-European studies) Referring to an Indo-European language that did not produce sibilants from a series of Proto-Indo-European palatovelar stops.]
adj
Of or pertaining to a century.
adj
(rare, chiefly literary) Having existed for centuries; ancient.
n
A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.
n
A year which is a multiple of one hundred (100) and marks that a century has past and changed to a new century (at the end of the year)
n
An amount that arises from or occurs over the course of a century.
n
Synonym of millennium: a period of 1000 years.
n
(art) The sixteenth century (1500s).
adj
(biology) Occurring or having cycles of approximately annual periodicity
adj
Following a twelve hour (half a day) rhythm
adj
(of a biorhythm) Approximately weekly
n
Abbreviation of century. [A period of 100 consecutive years; often specifically a numbered period with conventional start and end dates, e.g., the twentieth century, which stretches from (strictly) 1901 through 2000, or (informally) 1900 through 1999. The first century AD was from 1 to 100.]
n
Alternative form of Common Era [(chronology) The secular equivalent of anno Domini and the Christian Era, the internationally recognized method of numbering years on the Gregorian calendar.]
adj
Of or related to a decade, in its various senses.
adv
With respect to decades
adj
Alternative form of decadal [Of or related to the number ten.]
adj
Alternative spelling of decade-long [Extending over a decade]
adj
Extending over a decade
n
The amount that fills or is produced in a decade.
adj
Alternative spelling of decade-long. [Extending over a decade]
n
(euphemistic, humorous) Decades old.
adj
Arranged in, or subdivided into decades
adj
Occurring every ten thousand years.
n
A period of time consisting of ten thousand years.
n
(informal, rare) The tenth anniversary of something.
adj
(obsolete) Alternative form of decennial. [Occurring every ten years.]
adj
(obsolete) Alternative form of decennial. [Occurring every ten years.]
n
A decennium: a period of ten years.
n
(uncommon) Synonym of decade: a period of 10 years.
n
Synonym of decade: a ten year period.
adj
Of or related to a nineteen-year period.
n
(obsolete) A tenth, (particularly) a tithe or tax of one-tenth.
adj
Comprising ten months.
n
Alternative form of decamillennium [A period of time consisting of ten thousand years.]
n
(historical) A set or squad of ten men under a decurion.
adj
Relating to, or associated with, the commemoration of an event that happened 175 years before.
adj
Of, or relating to a demisesquicentenary.
n
The decade of a person's life between ten and nineteen years, inclusive; a person in their preteens or teens.
adj
of, relating to, or being a seventy-fifth anniversary.
n
The 1930s, especially in reference to the Dust Bowl of the Midwestern United States.
n
Alternative form of duodecade (“period of twelve years”) [A period of twelve years.]
n
A period of twelve years.
adj
Occurring every twelve years.
n
(now historical) The tenth day of the decade (ten-day week) in the French Republican Calendar, superseding Sunday as a day of rest.
n
The period of time consisting of the years 1800 through 1899.
adj
(informal) Of about eighteen years of age.
n
The decade of the 1880s, 1980s, etc.
adj
The ordinal form of the number eighty-nine, describing a person or thing in position number 89 of a sequence.
n
Alternative form of eightysomething [(colloquial) A person between 80 and 89 years old.]
adj
(informal) Of about eighty years of age.
n
(colloquial) A person between 80 and 89 years old.
adj
(informal) Of about eleven years of age.
adj
Every second/two; each alternate; the second of each pair in turn.
adj
Every other/two; each alternate.
n
(historical) A gift given at the New Year.
n
The decade of the 1850s, 1950s, etc.
n
Alternative form of fiftysomething [(countable, colloquial) A person between 50 and 59 years old.]
n
(countable, colloquial) A person between 50 and 59 years old.
adj
Pertaining to the close of the 19th century, usually suggesting a literary and artistic climate of modernism, world-weariness, and self-indulgence.
adj
Alternative spelling of fin de siècle [Pertaining to the close of the 19th century, usually suggesting a literary and artistic climate of modernism, world-weariness, and self-indulgence.]
adj
Alternative form of fin de siècle [Pertaining to the close of the 19th century, usually suggesting a literary and artistic climate of modernism, world-weariness, and self-indulgence.]
n
(Britain, accounting) Synonym of fiscal year
n
A person who is five years old.
n
The decade of the 1840s, 1940s, etc.
adj
occurring once in a fortnight; once every two weeks
n
(historical) The Jacobite rising of 1745.
adj
Lasting forty seconds.
n
Alternative form of fortysomething [(countable, colloquial) A person between 40 and 49 years old.]
n
(countable, colloquial) A person between 40 and 49 years old.
n
Alternative form of fortnith
n
Alternative form of fortnith
n
(fandom slang) Initialism of Generation Five (“the fifth generation of the "My Little Pony" toy franchise, known as "A New Generation"”).
n
(US) The decade of the 1890s, characterised by decadence, social scandal, and the beginning of the suffragette movement.
n
An elderly person, especially one over the age of 60.
n
The length of time in one's life where one is geriatric
adj
Relating to a fiftieth anniversary.
n
The sixty-third year, supposed to be a critical period in a man's life.
n
The day halfway in between two consecutive birthdays.
n
A period of fifty years, half of a century.
adj
Once every half-hour, every 30 minutes.
adv
Occurring twice per month.
n
The period of time equal to half a year; normally referred to as 6 months, but a half-year is more exactly 182.5 days (without a leap day)
adv
Twice in a year; semiannually.
n
A period of time equal to half a month.
adv
Alternative form of half-yearly [Twice in a year; semiannually.]
n
(historical or Christianity) A period of seven days; a week.
adj
Weekly, occurring once a week.
n
A literary work whose action covers a period of seven days.
n
(uncommon, sometimes proscribed) Synonym of sixtysomething: a person between 60 and 69 years old.
adj
Happening or returning once every six years.
adj
Occurring every hour; hourly.
n
(historical) An inhabitant or freeholder of a hundred, hence (law) a person eligible for jury duty within a hundred.
adj
Between centuries; occurring over more than one century.
adj
Between decades; occurring over more than one decade.
adj
Within a particular year
adj
Within a single month.
adj
Within a single month.
adj
Within a single century; not exceeding a period of 100 years.
n
Alternative form of J6 [(politics, US, US politics) The January 6 United States Capitol attack.]
n
(geology, science fiction) Synonym of millennium: A period of one thousand years.
n
Abbreviation of kiloyear. [(geology, science fiction) Synonym of millennium: A period of one thousand years.]
n
(historical) The period from 1660 to 1830.
n
The period from 1789 to 1914, beginning with the French Revolution and ending with the start of World War I.
n
(by extension, literary) Synonym of quinquennium: Any 5-year period.
n
(US) The 1970s characterized by a rise of self-indulgence and narcissism in American society.
n
Synonym of megayear: a period of 1 million years.
n
Alternative form of mega-annum [Synonym of megayear: a period of 1 million years.]
n
A million years, a thousand thousand years.
adj
Occurring once in a month; monthly.
adj
Usually used before century to indicate the middle part of the 20th century. The term is often used to refer to the events that occurred in the second third of the twentieth century (1933-1967). However, in architecture, preservation, and real estate, it is commonly used to refer to the period from after World War II to the mid-1970s.
adj
Occurring around the middle of the century.
n
The middle years of the 1980s.
adj
Occurring in the middle point of one's life, usually considered about 45.
n
One whose age is midlife.
n
The middle years between 70 and 80 years old.
n
The middle years of the 1960s.
adj
Lasting or expected to last a thousand years.
adj
Of or pertaining to a millennium; millenarian.
n
Archaic spelling of millennium. [A period of time consisting of one thousand years.]
adj
Referring to the 1,000th anniversary of an event or happening.
n
A period of time consisting of one thousand years.
n
(computing) A design flaw in computer systems that represented years as two digits (e.g. 84 for 1984), which could cause date calculations to fail if they involved years later than 1999.
n
(historical) Any of a set of eight international development goals established by the United Nations in 2000, scheduled to be achieved by 2015.
n
Synonym of mega-annum: A period of time consisting of one million years.
n
Alternative spelling of monthiversary [(informal) A commemorative event like an anniversary, but taking place monthly rather than annually.]
adj
(informal) Approximately once a month.
adj
Relating to more than one year.
n
One who is at least 200 years old.
adj
That happens on many multiples of a hundred years
adj
Lasting or spanning multiple decades
adj
Extending over multiple decades
adj
Relating to multiple years
adj
Of or pertaining to more than one millennium.
n
Initialism of million years ago or Initialism of megayears ago.
n
Alternative letter-case form of naughties (“first decade of a century”) [(informal) Naughty people or things.]
n
A newspaper that is printed once per week.
n
Alternative form of nine-day wonder [(idiomatic) Something that generates interest for a limited time and is then abandoned.]
n
(informal) Something nine inches long.
n
The decade consisting of the years 1900 through 1909.
adj
(informal) Of about nineteen years of age.
n
(rare) The property of being nineteen in age or number.
n
The decade of the 1890s, 1990s, etc.
n
Alternative form of ninetysomething [(colloquial) A person between 90 and 99 years old.]
adj
(informal) Of about ninety years of age.
n
(colloquial) A person between 90 and 99 years old.
adj
Of or related to ninetysomethings.
adj
(rare) Of or related to the number ninety.
adj
Of or relating to the ninetieth degree or to a nonagesimal.
n
Alternative letter-case form of noughties [(sometimes capitalized) The first decade of a century: from 1900 to 1909, 2000 to 2009, etc.]
adj
(of a religious ceremony) Lasting nine days, especially in relation to the period of mourning for a Pope.
adj
(obsolete) Relating to, or dependent on, the number nine; novenary.
adj
Of or relating to a 9-year period.
n
(rare) A nine-year period.
adj
Octennial, related to or characterized by an eight-year period.
n
Synonym of octennium: An 8-year period, particularly (historical) in Greek calendrical and astronomical calculations.
adj
Occurring every eight days.
adj
Occurring every eight years.
n
(rare) An eight-year period.
n
An eight-hundredth anniversary.
adj
Relating to an octocentenary
adj
Of or related to eightysomethings.
n
(obsolete) Synonym of eightysomething: a person 80 to 89 years old.
n
(nonce word) The second decade of a century: the 1910s, the 2010s, etc. The tens.
n
(rare, humorous) A decade running from the first year of a century to the tenth.
n
Alternative form of aughts (“first decade of a century”) [The first decade of a century, such as 1900 to 1909 or 2000 to 2009, whose digit in the tens place is zero; the noughties.]
n
Synonym of quinquennium: a five-year period, especially in reference to the first and second halves of calendrical decades.
adj
(statistics) Of or related to a 5-year period.
adj
(rare) Synonym of quinquennial: occurring every five years.
n
Synonym of tropical month
adj
Published at regular intervals of more than one day, especially weekly, monthly, or quarterly.
adj
Lasting for several years.
adj
Covering more than one year.
adj
Pertaining to the period following the year 1000 or (now more usually) following the year 2000.
adj
Occurring before, or in anticipation of, a new millennium.
n
A period of seven years.
n
The second quarter of a calendar year (April, May and June).
adv
(pharmacology) once per day
adv
(medicine) quaque hora: every hour - used in medical pharmacy prescriptions usually with a numeral defining hours between doses. "q4h" read as: "taken every 4 hours". Also common is the format: "3 caps q4h" read as" means "Take 3 capsules every 4 hours."
adv
(pharmacology) Four times a day.
adv
(pharmacology) once every other day
adj
(rare) Once every four years; quadrennial.
adj
Of or related to fortysomethings.
adj
(rare) Synonym of quadragenarian: Of or related to fortysomethings.
adj
Synonym of quadragenarian: lasting or aged forty years; forty-year-old.
n
Alternative letter-case form of quadragene. [(Catholicism, historical) An indulgence from 40 days of fasting or similar abstinence, especially during Lent; (later) various equivalent indulgences against punishment in Purgatory.]
n
The twenty-fifth anniversary of an event or happening.
adv
Of or pertaining to the twenty-fifth anniversary of an event or happening.
adj
Happening every four years.
n
A period of 4 years, particularly (historical) the sets of four years in the ancient Egyptian and Greek calendars.
n
One who or that which is between 400 and 499 years old.
adj
Alternative form of quadrennial [Happening every four years.]
adv
Alternative form of quadrennially [Every four years.]
adj
Occurring every four thousand years.
n
(rare) A quatercentenary
adj
Of or pertaining to a quadringenary
n
(historical, uncommon) Synonym of Council of Forty, former courts with 40 members in Florence and Venice.
n
A period of twenty-five years.
adv
Every fifteen minutes.
adj
Of or relating to an age between twenty and twenty-nine years old.
adv
Once every quarter year (three months).
adj
Relating to a period of 125 years.
n
A four-hundredth anniversary
n
Alternative form of quatercentenary [A four-hundredth anniversary]
adj
(rare) Lasting four days
n
Alternative form of quattrocentism [The art style of the quattrocentists.]
n
One who or that which is between 500 and 599 years old.
n
Synonym of quincentennial: A 500th anniversary.
adj
Of or related to a 500th anniversary.
n
(rare) A period of five hundred years, half a millennium.
adj
Lasting fifteen years.
n
(historical) A tax of one fifteenth.
n
(rare) Synonym of quincentennial: A 500th anniversary.
n
Synonym of fiftysomething: a person between 50 and 59 years old.
n
An ancient Roman festival in honour of Minerva.
n
(historical) Public games celebrated every five years in Ancient Rome.
n
(now rare) Synonym of quinquennium: A 5-year period.
n
Synonym of pentad: A 5-year period, particularly in reference to the first and second halves of calendrical decades.
n
One who is between the ages of 50 and 59, inclusive.
adj
Synonym of quinquennial.
n
The fifteenth day after a feast day, including both days in the reckoning.
n
(historical) A tax of one fifteenth of the value of goods, levied on merchants in the ports of England by King John circa 1204.
n
The 1920s, referring to the rapid economic expansion and modernization of the period.
adj
Initialism of semiannual. [Biannual: occurring twice a year]
adj
pertaining to a 45th year
n
(historical, Babylon) A quantity of 3600, such as a period of 3600 years.
n
Abbreviation of second. [Something that is number two in a series.]
adj
Happening once in an age or century.
n
Alternative form of saeculum [A length of time roughly equal to the potential lifetime of a human being or, equivalently, the complete renewal of a human population.]
adj
Occurring every semester.
adj
Synonym of biannual (“half-yearly”)
adj
Alternative spelling of semiannual [Biannual: occurring twice a year]
adv
Occurring twice yearly; biannually.
adj
Alternative form of semihourly. [(properly) Half-hourly: occurring every thirty minutes.]
adj
Alternative spelling of semimonthly [Occurring twice a month or at half month intervals.]
adj
Alternative spelling of semiyearly
adj
Biannual: occurring twice a year
n
Synonym of fiftysomething: A person celebrating a semicentenary; a person between 50 and 59 years old.
n
Synonym of semicentennial: a 50th anniversary.
adj
Of or related to a 50th anniversary, occurring every 50 years.
n
A period of fifty years.
adj
Alternative spelling of semi-daily [Occurring twice a day]
adj
Twice daily (usually of tides).
adj
(inexact) Roughly (but not exactly) hourly: occurring around every sixty minutes.
adv
In a manner occurring twice a month or at half month intervals.
n
(uncommon) A person between 105 and 109 years old.
n
A periodical published twice a week.
adv
(uncommon) semiannually
n
An old person, variously considered to be a person over fifty, fifty-five, sixty, or sixty-five years of age.
adj
Alternative spelling of septembral [Characteristic of September]
adj
Lasting seven years; continuing seven years.
adv
Once in every seven years.
n
A period of seven years.
n
Synonym of seventysomething: a person between 70 and 79 years old.
n
The condition of being in one's eighth decade of life, aged between 70 and 79.
adj
Synonym of septuagenarian: lasting or aged seventy years; seventy-year-old.
adj
Alternative form of sesquialteral [sesquialterate]
adj
Alternative form of sesquialteral [sesquialterate]
adj
Occurring once every one and a half years (i.e. once every 18 months).
n
(rare) Someone or something of 150 years of age, or between 150 and 159 (in its sixteenth decade of life or existence)
adj
Of, or relating to a sesquicentenary.
adv
(rare) Celebrated after 150 years.
adj
Relating to a fifteen year period
adj
(rare) Based on a cycle of 36 hours (one-and-a-half days)
adj
Occurring once every one and a half years (i.e. once every 18 months, or twice every three years); sesquiannual.
n
(business) A group of seven oil companies that dominated the global petroleum industry from the mid-1940s to the 1970s.
n
(uncommon) An individual or a process which requires only seven days to be perfected.
n
A person who is seven feet tall.
n
The decade of one's life from age 70 through age 79.
n
Alternative form of seventysomething [(colloquial) A person between 70 and 79 years old.]
adj
(informal) Of about seventy years of age.
n
(colloquial) A person between 70 and 79 years old.
n
Synonym of sixtysomething: a person between 60 and 69 years old.
adj
(now rare) Synonym of sexagenarian: lasting or aged sixty years; sixty-year-old.
adj
Of or pertaining to the number six hundred, or to a six-hundred-year period
adj
Pertaining to a period of six years; taking place once every six years.
adv
Once in every six years.
adj
Occurring once in every six years.
adv
Once in every six years.
n
(historical) The period between 1914 and 1991; from the beginning of the First World War to the fall of the Soviet Union.
n
The decade of the 1860s, 1960s, etc. (but especially the 1960s)
n
Alternative form of sixtysomething [(colloquial) A person between 60 and 69 years old.]
n
(colloquial) A person between 60 and 69 years old.
adj
At a frequency of smaller periods than years; more often than annually.
adv
At a frequency of smaller periods than years; more often than annually.
adj
At a frequency of smaller periods than days; more often than daily.
adj
Relating to, or lasting, less than a decade
adj
At a frequency of smaller periods than hours; more often than hourly.
adj
Pertaining to a time interval less than a thousand years
adj
At a frequency of smaller periods than months; more often than monthly.
adj
Pertaining to times of less than a week
n
Alternative form of supercentenarian [A person more than 110 years old.]
n
(inexact) Synonym of centenarian: a person more than 100 years old.
adj
Of or pertaining to a length of time greater than a century
n
(UK, US) An often nostalgic name for the 1960s.
n
(historical) A leadership class of African-Americans in the early 20th century, typified by one in ten black men thought to have educated themselves and become involved in social change.
n
The second decade of a century: the 1910s, 2010s, etc. The oneties, the tens.
n
(science fiction) A period of ten days.
n
The second decade of a century: the 1910s, 2010s, etc. The teens, the oneties.
adj
Occurring three times each year.
n
the 300th anniversary of an event
n
The three-hundredth anniversary of an event; tricentennial.
n
Alternative form of tetraeteris: A four-year period, particularly (historical) those used in ancient Egyptian and Greek astronomical calculations. [Synonym of quadrennium: A four-year period, particularly (historical) those used in ancient Egyptian and Greek astronomical calculations.]
n
Synonym of quadrennium: A four-year period, particularly (historical) those used in ancient Egyptian and Greek astronomical calculations.
n
The decade of one's life from age 30 through age 39.
adj
Lasting thirty seconds.
n
Alternative form of thirtysomething [A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive).]
adj
Between 30 and 39 years of age.
n
(somewhat dated, idiomatic) Seventy, being the number of years in a full lifetime of traditionally-expected duration.
n
Any rule that prescribes or proscribes behavior in a three-second interval, especially
adj
Occurring three times every month.
adv
(pharmacology) thrice per day, consumed three times per day
adv
Alternative form of toyear [(obsolete) This year, in this year; during the year.]
n
Alternative letter-case form of top 40 [(music, radio) A radio format for popular music, usually including the 40 most popular songs at a given time.]
n
(music) Alternative form of top 40 [(music, radio) A radio format for popular music, usually including the 40 most popular songs at a given time.]
n
(rare nonce word) A period of thirteen years.
adj
Happening three times each year.
adv
(uncommon) Three times per year.
n
A person in their thirties, a person aged between 30 and 39 years (inclusive).
adj
Of or pertaining to thirty years; occurring once in every thirty years.
n
One who or that which is between 300 and 399 years old.
n
The 300th anniversary of an event or happening.
adv
Three times a day or every third day.
adj
(obsolete, rare) Of or pertaining to the number thirteen
adj
Happening every third day.
adj
(rare) Occurring at intervals of three days apart.
n
A period of three days (especially in Roman Catholic liturgy).
adj
Happening every three years.
n
A period of three years.
adj
(rare) Triennial: occurring once in three years.
adj
(uncommon) Synonym of tricennial: once every thirty years.
adj
(rare) Occurring once in every three hours.
adj
Pertaining to an age or duration of 3,000 years.
adj
Occurring every three months; quarterly.
adj
(rare) Of trimesters or the use thereof.
adj
Occurring once every three months; quarterly.
n
The 3,000th anniversary of an event or happening.
adj
Occurring at intervals three months apart.
adj
Lasting for three nights.
adj
Occurring three times per week.
adj
Three times in a year.
n
Abbreviation of Tuesday. [The third day of the week in many religious traditions, and the second day of the week in systems that use the ISO 8601 norm; it follows Monday and precedes Wednesday.]
n
The beginning or end of a certain century.
n
The decade of the 1820s, 1920s, 2020s, etc.
adj
Alternative form of twentyish [(informal) Of about twenty years of age.]
adj
Synonym of twentysomething
n
Alternative form of twentysomething [A person whose age is between twenty and twenty-nine years, inclusive; someone in their twenties.]
n
A person whose age is between twenty and twenty-nine years, inclusive; someone in their twenties.
adv
Twice each week; semi-weekly.
adv
(UK & Commonwealth) Twice each year; semi-yearly; biannually.
n
(informal) The age range from age 20 through age 39.
n
The decade of the 2000s.
n
(informal, humorous) The decade that began on January 1, 2000 and ended on December 31, 2009.
adj
On two occasions; twice.
n
A person who is over a hundred years old
n
The condition of a person being over a hundred years old.
adj
Once every eleven years; undecennial.
adj
Occurring or observed every eleventh year.
n
A person whose age is between twenty and twenty-nine years, inclusive; someone in their twenties.
adj
Lasting for twenty years.
n
A period of twenty years.
adj
Relating to a period of twenty years.
n
Any period of seven consecutive days.
adj
(informal) Approximately once a week.
n
(computing, by extension) Y10K bug
n
(computing, often humorous) A bug like the millennium bug, that arises when a 4‐digit year system — from "0000" to "9999" — fails to display, store or calculate the year 10,000 or any later year.
n
Alternative form of Y2K [(computing, by extension) millennium bug]
n
(computing) The year 2038, in which certain date-related bugs in computer software are expected to manifest themselves.
adj
Alternative form of year-over-year [Compared to the same time period in the previous year.]
adj
Being compared with those of a previous year; interannual.
n
The amount that occurs in a year.
n
(very rare) A period of a hundred consecutive years; a century.
adj
Over the course of one year
n
(very rare) A millennium (a period of a thousand years).
n
Previous century, the last century before the current one.
n
(rare, humorous) The period between the years 2000 and 2009, inclusive.
n
The decade of the 1800s, 1900s, 2000s, etc. The noughties. The 2000s.
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