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

• boneheadedness
• brainlessness
• denseness
• density
• dim-wittedness
• doltishness
• dopiness
• dorkiness
• dullness
• dulness
• dumbness
• fatuity
• foolishness
• gormlessness [chiefly British]
• mindlessness
• oafishness
• obtuseness
• senselessness
• simpleness
• slowness
• stupidness
• thickness
• vacuity
• weak-mindedness
• witlessness

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

Tiny terror is unleashed in this mini alien apocalypse as directors Robert Bisi and Andy Lyon pay loving tribute to classic sci-fi stories of alien invasion and human stupidity using tilt-shift techniques that make the end of the world look almost cute. —Ethan Shanfeld, Variety, 24 Apr. 2025

Wodehouse had displayed nothing worse than the stupidity of the innocent. —Michael Hiltzik, Los Angeles Times, 18 Apr. 2025

All of which speaks to the towering stupidity of inflation itself. —John Tamny, Forbes.com, 13 Apr. 2025

The stupidity of enacting a massive tax increase on the entire global economy at this point doesn’t make much sense. —Michael Santoli, CNBC, 5 Apr. 2025

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