Synonyms of stupid in English:

stupid

adjective

  • 1 they're not as stupid as they look
    [Antonyms] intelligent clever astute
  • 2 I promised never to make the same stupid mistake again
    foolish, silly, unintelligent, idiotic, brainless, mindless, scatterbrained, crackbrained, nonsensical, senseless, irresponsible, unthinking, ill-advised, ill-considered, inept, witless, damfool, unwise, injudicious, indiscreet, short-sighted; inane, absurd, ludicrous, ridiculous, laughable, risible, fatuous, asinine, pointless, meaningless, futile, fruitless, mad, insane, lunatic
    British informal daft
    Scottish & Northern English informal glaikit
    North American vulgar slang half-assed
    [Antonyms] sensible prudent
  • 3 all he'd do was sit and drink himself stupid
    into a stupor, into a daze, into a state of unconsciousness, into oblivion; stupefied, dazed, groggy, sluggish, semi-conscious, unconscious
    [Antonyms] alert
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