- 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
SynonymsSee more synonyms for on Thesaurus.com
Examples from the Web for idiocy
The present will dish up plenty of its own idiocy to hold our attention.Let’s Not Forget: We Were All Teenagers Once
December 1, 2014
And a successful two-term Governor of a state where the balloting incompetence and idiocy is absolutely vital to the GOP.Why 2016’s Hopefuls Are Hopeless
P. J. O’Rourke
November 22, 2014
“I think it comes from idiocy and cowardice,” said Whedon of the female superhero problem.Fear of a Minority Superhero: Marvel's Obsession with White Guys Saving the World
August 7, 2014
The Daily Beast spoke with Kitsch about his exciting new role, the idiocy of gay-bashing, and much more.Taylor Kitsch on ‘The Normal Heart,’ Homophobic Right-Wingers, and Gays in the Military
May 23, 2014
If bad things are happening in the world, there must be someone to blame, someone whose malevolence or idiocy must be called out.Trash Talk Returns as Pols, Pundits Point Fingers Over Boston Bombing
April 24, 2013
"Yes, sir," replied Toby, with a most provoking look of idiocy.Tom Burke Of "Ours", Volume I (of II)
Charles James Lever
The features, save in this respect, had almost a look of idiocy.Charles O'Malley, The Irish Dragoon, Volume 2 (of 2)
The idea appeared to strike her as the very height of idiocy.Wizard
Laurence Mark Janifer (AKA Larry M. Harris)
No, Mr Distin; but I call the beginning of this silly row a piece of idiocy.The Weathercock
George Manville Fenn
Each feature was as eloquent of rascality as an ape's of idiocy.A Man's Value to Society
Newell Dwight Hillis
- (not in technical usage) severe mental retardation
- foolishness or senselessness; stupidity
- a foolish act or remark
Word Origin and History for idiocy
1520s, from idiot on model of prophecy, etc. Early alternatives included idiotacy (1580s), idiotry (1590s).
- The state or condition of being an idiot; profound mental retardation.