Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: stupid (stupider,stupidest)  st(y)oo-pid
  1. Lacking or marked by lack of intellectual acuity
  2. Lacking intelligence
    "a dull job with lazy and stupid co-workers";
    - unintelligent
  3. In a state of mental numbness especially as resulting from shock
    "lay semiconscious, stupid by the blow"; "was stupid from fatigue";
    - dazed, stunned, stupefied
  4. Devoid of good sense or judgment
    - foolish, daft [Brit, informal], dumb, imbecilic, imbecile
Noun: stupid  st(y)oo-pid
  1. A person who is not very bright
    "The economy, stupid!";
    - stupid person, stupe [N. Amer, informal], dullard, dolt [informal], pudding head [informal], pudden-head [US, informal], pillock [Brit, informal], meatball [N. Amer, informal]

Derived forms: stupider, stupids, stupidest

See also: absurd, anserine, asinine, birdbrained [informal], blockheaded [informal], boneheaded [informal], brainless, changeling [archaic], chuckleheaded [informal], cloddish, cockeyed [informal], confused, dense, derisory, derp [informal], dim [informal], doltish, dopey, dopy, dull, dumb, duncical [informal], duncish [informal], dunderheaded [informal], eejit [UK, Ireland, dialect], fatheaded [informal], fatuous, fond, foolish, fuddled, gaumless [Brit, archaic, informal], goofy [informal], gooselike, goosey, goosy, gormless [Brit, informal], half-wit [informal], harebrained, headless, idiot, idiotic, ill-advised, ill-conceived, imbecile [informal], impolitic, imprudent, inadvisable, inane, insane, intelligence, jerky, knuckleheaded [informal], laughable, loggerheaded [informal], ludicrous, lumpen, lumpish, mad, mentally retarded, mindless, misbegotten, misguided, moron [informal], muttonheaded [informal], nitwitted, nonsensical, obtuse, pea-brained [informal], plank [Brit, informal], preposterous, rattlebrained, rattlepated, retarded, ridic [informal], ridiculous, scatterbrained, scatty [Brit, informal], senseless, silly, slow, soft-witted, thick [informal], thickheaded [informal], thickie [Brit, informal], thicko [informal], thick-skulled [informal], thick-witted [informal], unacademic, unadvisable, unadvised, unthinking, unwise, vacant, vacuous, wacky, weak, whacky, witless, wooden-headed [informal], yokel-like, zany

Type of: simple [archaic], simpleton

Antonym: intelligent, smart

Encyclopedia: Stupid, Stupid Man