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

Derived forms: stupider, stupidest, stupids

See also: absurd, anserine, asinine, birdbrained, blockheaded, boneheaded, brainless, cloddish, cockamamie [N. Amer], cockamamy [N. Amer], cockeyed, confused, dense, derisory, dim, doltish, dopey, dopy, dull, dumb, duncical, duncish, fatheaded, fatuous, fond, foolish, gaumless [Brit, archaic], goofy, gooselike, goosey, goosy, gormless [Brit], harebrained, headless, idiotic, ill-advised, ill-conceived, impolitic, imprudent, inadvisable, inane, insane, intelligence, jerky, laughable, loggerheaded, ludicrous, lumpen, lumpish, mad, mindless, misbegotten, misguided, muttonheaded, nitwitted, nonsensical, obtuse, pea-brained, preposterous, rattlebrained, rattlepated, retarded, ridic [informal], ridiculous, sappy, scatterbrained, scatty [Brit], senseless, silly, slow, soft-witted, thick, thickheaded, thick-skulled, thick-witted, unacademic, unadvisable, unadvised, unthinking, unwise, vacuous, wacky, weak, whacky, witless, wooden-headed, yokel-like, zany

Type of: simple, simpleton

Antonym: smart

Encyclopedia: Stupid, Stupid Man