Usually means: Boundary between explored and unexplored.
Definitions Related words Phrases Mentions Lyrics History Colors (New!)
We found 32 dictionaries that define the word Frontier:

General (26 matching dictionaries)
  1. frontier: Merriam-Webster
  2. frontier: Oxford Learner's Dictionaries
  3. frontier: American Heritage Dictionary of the English Language
  4. frontier: Collins English Dictionary
  5. frontier: Vocabulary.com
  6. Frontier, frontier: Wordnik
  7. frontier: Cambridge Advanced Learner's Dictionary
  8. Frontier, frontier: Wiktionary
  9. frontier: Webster's New World College Dictionary, 4th Ed.
  10. frontier: The Wordsmyth English Dictionary-Thesaurus
  11. frontier: Infoplease Dictionary
  12. Frontier, frontier: Dictionary.com
  13. frontier: Online Etymology Dictionary
  14. frontier: Cambridge Essential American English Dictionary
  15. Frontier(s), Frontier (TV series), Frontier (ballet), Frontier (banknotes), Frontier (disambiguation), Frontier (novel), Frontier (pinball), Frontier (supercomputer), Frontier, The Frontier (Chilean History), The Frontier (Hong Kong), The Frontier (novel), The Frontier (website): Wikipedia, the Free Encyclopedia
  16. Frontier: Online Plain Text English Dictionary
  17. frontier: Webster's Revised Unabridged, 1913 Edition
  18. frontier: Rhymezone
  19. Frontier: AllWords.com Multi-Lingual Dictionary
  20. frontier: Webster's 1828 Dictionary
  21. frontier: FreeDictionary.org
  22. frontier: Mnemonic Dictionary
  23. frontier: TheFreeDictionary.com
  24. frontier: Longman Dictionary of Contemporary English

Art (1 matching dictionary)
  1. Shakespeare Glossary (No longer online)

Business (1 matching dictionary)
  1. frontier: Legal dictionary

Computing (1 matching dictionary)
  1. frontier: Encyclopedia

Science (2 matching dictionaries)
  1. Frontier: Eric Weisstein's World of Mathematics
  2. frontier: PlanetMath Encyclopedia

Slang (1 matching dictionary)
  1. Frontier: Urban Dictionary

(Note: See frontiering as well.)

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Definitions from Wiktionary (Frontier)

▸ noun:  The part of a country which borders or faces another country or unsettled region.
▸ noun:  The most advanced or recent version of something; the leading edge.
▸ noun:  (obsolete) An outwork of a fortification.
▸ verb:  (intransitive) To live as pioneers on frontier territory.
▸ verb:  (transitive, obsolete) To place on the frontier.
▸ noun:  An unincorporated community in Koochiching County, Minnesota, United States, located on the Canadian border.
▸ noun:  A city in North Dakota.
▸ noun:  An unincorporated community in Lincoln County, Wyoming.
▸ noun:  A village in Saskatchewan, Canada.
▸ noun:  The Rural Municipality of Frontier No. 19, a rural municipality on the US border in south-west Saskatchewan, which includes the village.

Similar:
rural, borderland, outpost, frontiersman, territory, western, border, prairie, steamboating, wilderness, more...

Opposite:
interior, core, center, inside, heart

Types:
wilderness, territorial, physical, technological, scientific, geographical, psychological, emotional, more...

Phrases:
New Frontier, American frontier, Last Frontier, Efficient frontier, frontier post, more...

Adjectives:
western, northern, eastern, new, american, southern, french, german, last, russian, indian

Colors:
    rust,     sage,     ochre,     midnight blue,     terra cotta, more...


▸ Word origin

▸ Words similar to Frontier

▸ Usage examples for Frontier

▸ Idioms related to Frontier

▸ Wikipedia articles (New!)

▸ Popular adjectives describing Frontier

▸ Words that often appear near Frontier

▸ Rhymes of Frontier

▸ Invented words related to Frontier

Similar:
rural, borderland, outpost, frontiersman, territory, western, border, prairie, steamboating, wilderness, more...

Opposite:
interior, core, center, inside, heart

Types:
wilderness, territorial, physical, technological, scientific, geographical, psychological, emotional, more...

Phrases:
New Frontier, American frontier, Last Frontier, Efficient frontier, frontier post, frontier settlement, final frontier, Military Frontier, sea frontier, frontier orbitals, frontier orbital, coastal frontier, more...

Adjectives:
western, northern, eastern, new, american, southern, french, german, last, russian, indian

Colors:
    rust,     sage,     ochre,     midnight blue,     terra cotta, more...



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