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

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
• craziness
• absurdness
• 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

That’s only made worse by the fact that it’s treated as some kind of grand betrayal rather than an impulsive act of youthful stupidity that will make for a good story one day. — David Ehrlich, IndieWire, 29 July 2026

Condor, Newton and Hiraga do their best to make Max’s actions believable, but her stubborn stupidity eventually requires more suspension of belief than a highly vindictive shark prowling a freshwater cave right next to the ocean. — Culture Critic, Los Angeles Times, 29 July 2026

The stupidity and greed of the status quo threatens to drive her insane. — Literary Hub, 21 July 2026

His eventual dismissal in second-half stoppage time was an exercise in rash stupidity, crashing through Spain’s teenage center back Pau Cubarsi. — Adam Crafton, New York Times, 20 July 2026