1 unintelligent, fatuous, obtuse, bovine, dull, dense, lumpish, doltish, simple, simple-minded, moronic, imbecilic, cretinous, Boeotian, subnormal, feeble-minded, weak-minded, stolid, dull-witted, dim, dim-witted, halfwitted, thick, thick-witted, thickheaded, slow-witted, witless, brainless, mindless, empty-headed, bird-brained, feather-brained, feather-headed, rattle-brained, rattle-headed, ox-like, boneheaded, addle-pated, addle-headed, addled, Chiefly Brit imbecile, Chiefly US dumb, jerky, thimble-witted, Colloq dopey, Brit dozy:
He seemed really stupid in comparison with his precocious younger sister.
2 foolish, silly, frivolous, asinine, hare-brained, crazy, insane, mad, crack-brained, scatterbrained, absurd, inane, idiotic, ridiculous, risible, laughable, ludicrous, nonsensical, senseless, bootless, irresponsible, irrational, ill-advised, foolhardy, half-baked, Colloq cuckoo, cock-eyed, damn-fool, Chiefly Brit daft, barmy or balmy, US cockamamie or cockamamy:
He came up with one stupid plan after another.
3 insipid, dull, tedious, boring, tiresome, humdrum, prosaic, monotonous, unimaginative, uninspired, uninteresting, vapid, vacuous, Colloq ho-hum:
Most sitcoms feature stupid characters doing stupid things.
appear, be, feel, look, seem, sound
I felt really stupid when I realized what had happened. My sister made me look stupid in front of all my friends.
(informal) I decided it was best to act stupid.
damn/damned, exceptionally, extremely, fucking
incredibly, monumentally, particularly, really, very | absolutely, completely, (just) plain, utterly
That was just plain stupid!
| not entirely
I'm not entirely stupid. I checked the train times before we came out.
| a bit, a little, pretty, quite, rather | enough, sufficiently
He's stupid enough to believe anything.
| crassly, grossly
a crassly stupid thing to do
Random quote: Parents can only give good advice or put them on the right paths, but the final forming of a persons character lies in their own hands.: Anne FrankLatest queries: joint chiefs of staff, booby trap, dipping, raise, shorten, relive, campaigner, whinny, manipulate, instantaneous, can, egomania, harper, thoroughly, formulation, charger, arithmetic, fan, chatting, stupid,