stupidity

noun

stu·​pid·​i·​ty stu̇-ˈpi-də-tē 

styu̇-

plural stupidities

1

: the quality or state of being stupid

2

: a stupid idea or act

Synonyms of stupidity

• stupidness
• thickness
• dumbness
• obtuseness
• foolishness
• slowness
• dullness
• mindlessness
• insanity
• boneheadedness
• density
• oafishness

Examples of stupidity in a Sentence

I was shocked by the stupidity of their decision.

the stupidity of the dialogue between the two romantic leads had movie audiences giggling uncontrollably

Recent Examples on the Web

That men like Mark Zuckerberg and Elon Musk are entrusted with businesses of tectonic influence can be difficult to understand, but their cults of personality have been able to survive scrutiny, perhaps because the money itself is too imposing a firewall for their own stupidity to penetrate. —Scott Tobias, Vulture, 19 Apr. 2026

Eric Swalwell, a prominent Democratic House member and a front-runner in the race for California governor, had his political career blown up by allegations of degeneracy and abject stupidity. —Michelle Cottle, Mercury News, 16 Apr. 2026

English filmmaker Chris Morris invites us to laugh at terror, literally, putting the stupidity of these hilariously clueless jihadists front and center. —Debby Wolfinsohn, Entertainment Weekly, 13 Apr. 2026

If not for the stupidity of Joe Biden and the Democrats, ICE would have an easier job. —Sun Sentinel Editorial Board, Sun Sentinel, 31 Mar. 2026

Word History

First Known Use

circa 1541, in the meaning defined at sense 1

Rhymes for stupidity

• acidity
• aridity
• avidity
• cupidity
• fluidity
• humidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rapidity

Kids Definition

stupidity

noun

stu·​pid·​i·​ty st(y)u̇-ˈpid-ət-ē 

plural stupidities

1

: the quality or state of being stupid

2

: something (as an idea or act) that is stupid