Synonyms of stupidity

stupidity

noun

stu̇-ˈpi-də-tē 

1

as in stupidness

the quality or state of lacking intelligence or quickness of mind

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

Synonyms & Similar Words

• stupidness
• thickness
• dumbness
• obtuseness
• foolishness
• slowness
• dullness
• mindlessness
• insanity
• boneheadedness
• density
• oafishness
• dorkiness
• weak-mindedness
• denseness
• dopiness
• witlessness
• brainlessness
• doltishness
• senselessness
• fatuity
• simpleness
• simplicity
• idiocy
• gormlessness
• vacuity
• madness
• absurdity
• feeblemindedness
• craziness
• dim-wittedness
• simplemindedness
• fatuousness
• irrationality
• daftness
• unreasonableness
• inanity
• wackiness
• silliness
• preposterousness
• zaniness
• lunacy
• nuttiness
• folly
• asininity
• nincompoopery
• dottiness
• nonsensicalness
• inaneness
• fallacy
• dippiness
• balminess
• mental retardation
• mental deficiency

Antonyms & Near Antonyms

• intelligence
• brilliance
• cleverness
• brightness
• smartness
• quickness
• judgment
• perception
• insight
• keenness
• acumen
• sharpness
• astuteness
• perspicacity
• alertness
• discernment
• wisdom
• braininess
• wit
• sagacity
• quick-wittedness
• rationality
• validity
• reasonableness
• percipience
• soundness
• sapience
• sageness
• logicality
• logicalness
• rationalness

2

as in insanity

a foolish act or idea

the succession of stupidities by the company's owners was bound to result in bankruptcy

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

3

as in nonsense

language, behavior, or ideas that are absurd and contrary to good sense

leaving her bags unguarded inside the airport terminal was nothing but stupidity on her part

Synonyms & Similar Words

• nonsense
• silliness
• garbage
• nuts
• rubbish
• blah
• drool
• absurdity
• foolishness
• craziness
• insanity
• absurdness
• jazz
• muck
• madness
• bunk
• trash
• rot
• punk
• claptrap
• twaddle
• hogwash
• balderdash
• beans
• baloney
• humbuggery
• guff
• folly
• hokum
• idiocy
• bilge
• bunkum
• bull
• trumpery
• malarkey
• piffle
• blither
• poppycock
• senselessness
• tommyrot
• flapdoodle
• fudge
• crock
• bosh
• fiddlesticks
• blatherskite
• fiddle
• tosh
• folderol
• hooey
• drivel
• blather
• codswallop
• hokeypokey
• nerts
• crapola
• blarney
• applesauce
• taradiddle
• horsefeathers
• humbug
• fiddle-faddle
• hoodoo
• imbecility
• moonshine
• inanity
• kookiness
• lunacy
• slush
• flannel
• asininity
• tomfoolery
• witlessness
• foolery
• fatuity
• gas
• inaneness
• greek
• monkey business
• rigmarole
• shenanigan(s)
• hot air
• hocus-pocus
• monkeyshine(s)
• hoity-toity
• double-talk

Antonyms & Near Antonyms

• rationality
• reasonableness
• sense
• common sense
• sensibleness
• reasonability
• levelheadedness
• judgment
• wisdom
• horse sense
• discernment

Example Sentences

Recent Examples of stupidity

Here are the three reasons a good employee sits on a great AI discovery, and none of them is stupidity. — Mark Murphy, Forbes.com, 8 July 2026

The stupidity of losing his car was one thing; the cruelty of forcing her to make that choice was quite another. — Emily Ruskovich, The Atlantic, 7 July 2026

Is there a level of insanity, vitriol and stupidity that is infiltrating almost every aspect of our modern society, regardless of your political or religious views? — Joe Kinsey Outkick, FOXNews.com, 4 July 2026

Warm, fuzzy feelings for noble stupidity are an American thing, especially in politics. — The New Yorker, New Yorker, 4 July 2026