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crackpot

[krak-pot] /ˈkrækˌpɒt/ Informal.
noun
1.
a person who is eccentric, unrealistic, or fanatical.
adjective
2.
eccentric; impractical; fanatical:
crackpot ideas.
Origin of crackpot
1860-1865
First recorded in 1860-65; from the phrase cracked pot
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for crackpot
Contemporary Examples
Historical Examples
  • So that crackpot, Graham, had finally come up with something definite.

    Final Weapon Everett B. Cole
  • They dismissed him as a crackpot, too, if they heard about him at all.

    With No Strings Attached Gordon Randall Garrett (AKA David Gordon)
  • Therefore, it wouldn't have happened—outside the crackpot fringe.

    The Great Gray Plague Raymond F. Jones
  • These had to be investigated—every lousy, crackpot one of them.

    The Great Gray Plague Raymond F. Jones
  • Projective telepathy had only been a crackpot's idea back then.

    The Penal Cluster Ivar Jorgensen (AKA Randall Garrett)
British Dictionary definitions for crackpot

crackpot

/ˈkrækˌpɒt/
noun
1.
an eccentric person; crank
adjective
2.
(usually prenominal) eccentric; crazy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for crackpot
n.

"mentally unbalanced person," by 1900, probably from crack + pot (n.1) in a slang sense of "head." Cf. crack-brain "crazy fellow" (late 16c.). Earlier it was used in a slang sense "a small-time big-shot" (1883), and by medical doctors in reference to a "metallic chinking sometimes heard when percussion is made over a cavity which communicates with a bronchus."

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for crackpot

crackpot

adjective

: my colleague's crackpot notions

noun

A crazy idiot; an addled fool; eccentric: He's a crackpot about flying saucers (1883+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Word Value for crackpot

18
21
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