Stupid Synonyms

101 stupid synonyms include unintelligent, ignorant, dense, brainless, mindless, foolish, dull-witted, dull, slow-witted, and witless. Stupid is an adjective, and its antonyms are intelligent, clever, astute, sensible, and prudent. Here are some additional synonyms for "stupid" with example sentences.

Another word for Stupid

101 other ways to say stupid.

1. unintelligent

  • zany
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  • wooden-headed  
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  • wooden  
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  • witless  
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  • vapid  
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  • vacuous  
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  • unwise  
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  • unthinking  
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  • unintelligent  
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  • thickheaded  
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  • thick as two short planks  
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  • thick
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  • soft in the head  
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  • slow on the uptake  
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  • slow-witted  
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  • slow  
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  • simple-minded  
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  • silly
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  • short-sighted  
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  • senseless  
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  • screwy  
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  • scatterbrained  
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  • risible  
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  • ridiculous
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  • potty  
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  • pointless
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  • pig-ignorant  
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  • pea-brained  
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  • out to lunch  
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  • off one's trolley  
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  • off one's head  
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  • obtuse  
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  • nutty  
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  • not the full shilling  
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  • nonsensical  
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  • naive
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  • muttonheaded  
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  • moronic  
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  • mindless  
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  • meaningless
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  • mad
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  • lunatic  
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  • ludicrous  
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  • loopy  
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  • loony  
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  • laughable  
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  • lamebrained  
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  • irresponsible
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  • insane
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  • injudicious  
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  • inept  
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  • indiscreet  
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  • inane  
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  • imbecilic  
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  • imbecile  
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  • ill-considered  
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  • ill-advised  
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  • ignorant
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  • idiotic  
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  • hare-brained  
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  • half-witted  
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  • half-baked  
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  • gullible
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  • gormless  
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  • glaikit  
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  • futile  
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  • fruitless  
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  • foolish
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  • fatuous  
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  • fat-headed  
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  • empty-headed  
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  • dunderheaded  
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  • dunce-like  
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  • dumb
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  • dull-witted  
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  • dull
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  • dozy  
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  • dotty  
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  • dopey  
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  • doltish  
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  • dim  
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  • derpy  
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  • dense  
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  • damfool  
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  • daft  
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  • cuckoo  
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  • cretinous  
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  • crazy
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  • cracked  
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  • crackbrained  
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  • cock-eyed  
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  • chuckleheaded  
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  • brainless  
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  • brain-dead  
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  • bovine  
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  • boneheaded  
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  • birdbrained  
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  • batty  
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  • barmy  
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  • asinine  
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  • absurd
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Use stupid in a Sentence

He's acting really stupid today.

It's a stupid, pointless argument.

Stop making stupid mistakes, please.

That was a stupid idea.