CRACKPOT meaning: Promoter of widely rejected ideas

We found 25 dictionaries that define the word crackpot:

General (23 matching dictionaries)

crackpot: Merriam-Webster
crackpot: Oxford Learner's Dictionaries
crackpot: American Heritage Dictionary of the English Language
crackpot: Collins English Dictionary
crackpot: Vocabulary.com
Crackpot, crackpot: Wordnik
crackpot: Cambridge Advanced Learner's Dictionary
Crackpot, crackpot: Wiktionary
crackpot: Webster's New World College Dictionary, 4th Ed.
crackpot: The Wordsmyth English Dictionary-Thesaurus
crackpot: Infoplease Dictionary
crackpot: Dictionary.com
crackpot: Cambridge Essential American English Dictionary
Crackpot (person), Crackpot: Wikipedia, the Free Encyclopedia
crackpot: Rhymezone
crackpot: FreeDictionary.org
crackpot: Mnemonic Dictionary
Crackpot: The Word Detective
crackpot: TheFreeDictionary.com
Crackpot: World Wide Words
crackpot: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

crackpot: Encyclopedia

Slang (1 matching dictionary)

crackpot: English slang and colloquialisms used in the United Kingdom

(Note: See crackpots as well.)

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Definitions from Wiktionary (

)

▸ noun:  (informal) An eccentric, crazy or foolish person.
▸ noun:  (informal) Someone addicted to crack cocaine (i.e. a drug addict).
▸ adjective:  (informal) Eccentric or impractical.
▸ noun:  A small village in Grinton parish, Swaledale, North Yorkshire, England, previously in Richmondshire district (OS grid ref SD9796)

Similar:

nutcase, crank, fruitcake, screwball, nut, crazy, crack, crackbrain, crackhead, nutso, more...

Opposite:

sane, rational, logical, reasonable, intelligent

Types:

flat-earther, more...

Phrases:

Crackpot index, crackpot behavior, more...

Adjectives:

old, harmless, religious, dangerous, real, complete, political, mere, alcoholic, not, total

Colors:

crimson, chartreuse, teal, mauve, fuchsia, more...