Another word for stupid

Absurd, birdbrained, and barmy are another word for stupid. Intelligent, clever, astute, sensible, and prudent are the opposites of stupid. On this page, find 102 synonyms for stupid, parts of speech, and examples of stupid sentences.

Stupid synonyms

1. unintelligent

  • Absurd
  • Asinine
  • Barmy
  • Batty
  • Birdbrained
  • Boneheaded
  • Bovine
  • Brain-dead
  • Brainless
  • Chuckleheaded
  • Cock-eyed
  • Crackbrained
  • Cracked
  • Crazy
  • Cretinous
  • Cuckoo
  • Daft
  • Damfool
  • Dense
  • Derpy
  • Dim
  • Doltish
  • Dopey
  • Dotty
  • Dozy
  • Dull-witted
  • Dull
  • Dumb
  • Dunce-like
  • Dunderheaded
  • Empty-headed
  • Fat-headed
  • Fatuous
  • Foolish
  • Fruitless
  • Futile
  • Gormless
  • Gullible
  • Half-baked
  • Half-witted
  • Hare-brained
  • Idiotic
  • Ignorant
  • Ill-advised
  • Ill-considered
  • Imbecile
  • Imbecilic
  • Inane
  • Indiscreet
  • Inept
  • Injudicious
  • Insane
  • Irresponsible
  • Lamebrained
  • Laughable
  • Loony
  • Loopy
  • Ludicrous
  • Lunatic
  • Mad
  • Meaningless
  • Mindless
  • Moronic
  • Muttonheaded
  • Naive
  • Nonsensical
  • Not the full shilling
  • Nutty
  • Obtuse
  • Off one's head
  • Off one's trolley
  • Out to lunch
  • Pea-brained
  • Pig-ignorant
  • Pointless
  • Potty
  • Ridiculous
  • Risible
  • Scatterbrained
  • Screwy
  • Senseless
  • Short-sighted
  • Silly
  • Simple-minded
  • Slow on the uptake
  • Slow-witted
  • Slow
  • Soft in the head
  • Thick as two short planks
  • Thick
  • Thickheaded
  • Unintelligent
  • Unthinking
  • Unwise
  • Vacuous
  • Vapid
  • Witless
  • Wooden-headed
  • Wooden
  • Zany
  • Glaikit

Stupid sentences

That was a stupid idea.

He's acting really stupid today.

Stop making stupid mistakes, please.

It's a stupid, pointless argument.

Stupid parts of speech

Adjective