Synonyms of idiotic in English:

idiotic


See US English definition of idiotic

See UK English definition of idiotic

See Spanish definition of idiota

adjective

1‘I'm trying to stop Suzanne making an idiotic mistake’

SYNONYMS
stupid, silly, foolish, half-witted, witless, brainless, mindless, thoughtless, imprudent, incautious, irresponsible, injudicious, indiscreet, unwise, unintelligent, unreasonable
ill-advised, ill-considered, impolitic, rash, reckless, foolhardy
absurd, senseless, pointless, nonsensical, inane, fatuous, ridiculous, laughable, risible, derisible
informal dumb, dim, dim-witted, dopey, damfool, half-baked, hare-brained, crackbrained, pea-brained, wooden-headed, thickheaded, nutty, mad, crazy, dippy, cuckoo, screwy, wacky
British informal barmy, daft, dotty, batty, gormless
Scottish, Northern English informal glaikit
North American informal dumb-ass, chowderheaded
West Indian informal dotish
ANTONYMS

sensible