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idiocy

[id-ee-uh-see]
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noun, plural id·i·o·cies.
  1. utterly senseless or foolish behavior; a stupid or foolish act, statement, etc.: All this talk of zombies coming to attack us is pure idiocy.
  2. Psychology. (no longer in technical use; considered offensive) the state of being an idiot.
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Origin of idiocy

1520–30; idio(t) + -cy; compare Greek idiōteía uncouthness

Synonyms

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

madnesslunacyinsanityfatuityimbecilityfoolishnessderangementinanitytomfoolerysenselessnessinsipidityasininitycretinism

Examples from the Web for idiocies

Contemporary Examples

Historical Examples

  • When will you get rid of your idiocies, and conduct yourself like a decent woman?

  • Each morning he gloomily recognized his idiocies of the evening before.

    Babbitt

    Sinclair Lewis

  • Who has not groaned over the follies and idiocies that cling to us like the doggerel verses that hang about our memories?

    Bunyan

    James Anthony Froude


British Dictionary definitions for idiocies

idiocy

noun plural -cies
  1. (not in technical usage) severe mental retardation
  2. foolishness or senselessness; stupidity
  3. a foolish act or remark
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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

Word Origin and History for idiocies

idiocy

n.

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

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Online Etymology Dictionary, © 2010 Douglas Harper

idiocies in Medicine

idiocy

(ĭdē-ə-sē)
n.
  1. The state or condition of being an idiot; profound mental retardation.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.