Try Our Apps


90s Slang You Should Know


[id-ee-uh-see] /ˈɪd i ə si/
noun, plural idiocies.
utterly senseless or foolish behavior; a stupid or foolish act, statement, etc.:
All this talk of zombies coming to attack us is pure idiocy.
Psychology. (no longer in technical use; considered offensive) the state of being an idiot.
Origin of idiocy
1520-30; idio(t) + -cy; compare Greek idiōteía uncouthness
1. foolishness, inanity, folly. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for idiocy
Contemporary Examples
Historical Examples
  • Woolridge's artist had a wild humor that gave the show away by exaggerating the innocence and idiocy of Woolridge's victims.

    The Combined Maze May Sinclair
  • The late cultivation of idiocy by the American dude was unique.

    The Complete Essays of C. D. Warner Charles Dudley Warner
  • Please dont remind me of my idiocy again until Ive had time to pull up a notch, begged Tremaine.

    The Motor Boat Club in Florida H. Irving Hancock
  • And this infernal thing of Grant's has been encouraging me in idiocy.

  • Take care you do not fall into that idiocy if you wish to remain among the number of the living.

    Amphitryon Moliere
British Dictionary definitions for idiocy


noun (pl) -cies
(not in technical usage) severe mental retardation
foolishness or senselessness; stupidity
a foolish act or remark
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
Cite This Source
Word Origin and History for idiocy

1520s, from idiot on model of prophecy, etc. Early alternatives included idiotacy (1580s), idiotry (1590s).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
idiocy in Medicine

idiocy id·i·o·cy (ĭd'ē-ə-sē)
The state or condition of being an idiot; profound mental retardation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for idiocy

Some English speakers likely know this word

Word Value for idiocy

Scrabble Words With Friends

Nearby words for idiocy