Synonyms of idiocy

idiocy

noun

ˈi-dē-ə-sē 

as in insanity

a foolish act or idea

trying to get that many people to agree on anything was pure idiocy

Synonyms & Similar Words

• insanity
• absurdity
• stupidity
• madness
• inanity
• imbecility
• bêtise
• lunacy
• foppery
• asininity
• folly
• foolery
• fatuity
• craziness
• absurdness
• blunder
• buffoonery
• tomfoolery
• foolishness
• nonsense
• witlessness
• twaddle
• senselessness
• inaneness
• shenanigan(s)
• drivel
• monkeyshine(s)
• bungle
• flub
• goof
• howler
• humbug

Antonyms & Near Antonyms

• wisdom
• discretion
• prudence
• sagacity
• forethought
• inspiration
• brainstorm

Example Sentences

Recent Examples of idiocy

And when Torres scored, Fernandez's idiocy only came into greater focus. — Jack Lang, New York Times, 19 July 2026

That’s the level of idiocy in the Los Angeles city government. — Susan Shelley, Daily News, 13 May 2026

Gunther and Tig are two billionaire failsons who have wasted countless opportunities and cash chasing the stupidest ideas and who get rewarded over and over again for their idiocy. — Roxana Hadadi, Vulture, 10 Mar. 2026

Unlike its sibling concepts of dumbness and idiocy, stupidity isn’t really a personality trait. — Jonny Thomson, Big Think, 11 Feb. 2026