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Definitions

stupidity

[stoo-pid-i-tee, styoo-] / stuˈpɪd ɪ ti, styu- /
NOUN
dullness of mind
Synonyms
STRONGEST
absurdity apathy idiocy ignorance lunacy nonsense silliness
STRONG
asininity fatuity fatuousness imbecility imprudence incapacity ineptitude injudiciousness insensibility obtuseness puerility shallowness simplicity slowness sluggishness stolidity stupefaction stupor weakness
WEAK
battiness brainlessness doltishness feeble-mindedness nitwittedness stupidness thick-headedness weak-mindedness
Antonyms
STRONGEST
intelligence sense
WEAK
acumen canniness judgment shrewdness wisdom
NOUN
extreme folly
Synonyms
STRONGEST
absurdity idiocy irrationality lunacy madness nonsense silliness
STRONG
asininity frivolity giddiness imbecility ineptitude nonsensicality senselessness simplicity
WEAK
ludicrousness witlessness
Antonyms
STRONGEST
sense
WEAK
acumen canniness intelligence judgment shrewdness wisdom
NOUN
stupid act
Synonyms
STRONGEST
folly foolishness madness
STRONG
imbecility
WEAK
misguidedness
Antonyms
STRONGEST
seriousness
WEAK
acumen canniness intelligence judgment shrewdness wisdom

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

‘Without commenting on my obvious stupidity, how do I recover from this?’

From MarketWatch • Mar. 23, 2026

China’s Mao Zedong forced party officials to give self-corrective monologues in which they asked forgiveness for their own stupidity and failing to follow his wise leadership.

From Salon • Mar. 19, 2026

Which is much worse than plain old stupidity.

From Los Angeles Times • Feb. 11, 2026

One user's comment on the Licola Caravan Park & General Store official Facebook page says: "People rely on the store in town, and closing in the middle of peak season is stupidity at its best."

From BBC • Jan. 30, 2026

I can’t believe my boys are in jail for my stupidity and I can’t believe she didn’t tell me sooner.

From "They Both Die at the End" by Adam Silvera

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.