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

Beausoleil makes that claim, and argues that stupidity and self-preservation is also a sound reason for the Manson murders. —Jake Kring-Schreifels, TIME, 7 Mar. 2025

Brooks – an author of books on the human condition -- is careful to delineate stupidity from intelligence. —John Baldoni, Forbes, 19 Feb. 2025

And that's where a consideration of stupidity is essential. —John Baldoni, Forbes, 19 Feb. 2025

But somehow my stupidity and negligence caused the fire. —Nick Ferraro, Twin Cities, 7 Feb. 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