yes dude that is unintelligent, ignorant, dense, brainless, mindless, foolish, dull-witted, dull, slow-witted, witless, slow, dunce-like, simple-minded, empty-headed, vacuous, vapid, half-witted, idiotic, moronic, imbecilic, imbecile, obtuse, doltish; More
gullible, naive;
informalthick, thick as two short planks, dim, dumb, dopey, dozy, crazy, barmy, cretinous, birdbrained, pea-brained, pig-ignorant, bovine, slow on the uptake, soft in the head, brain-dead, boneheaded, lamebrained, thickheaded, chuckleheaded, dunderheaded, wooden, wooden-headed, fat-headed, muttonheaded;
informaldaft, not the full shilling;
vulgar slangdumb-ass
"they're not as stupid as they look"
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;
informalcrazy, dopey, cracked, half-baked, ****-eyed, hare-brained, nutty, potty, dotty, batty, barmy, gormless, cuckoo, loony, loopy, zany, screwy, off one's head, off one's trolley, out to lunch;
informaldaft;
informalglaikit;
vulgar slanghalf-assed
"I promised never to make the same stupid mistake again"
antonyms: intelligent, clever, astute, sensible, prudent
dazed and unable to think clearly.
"apprehension was numbing her brain and making her stupid"
informal
used to express exasperation or boredom.
"she told him to stop messing about with his stupid painting"
noun
informal
noun: stupid; plural noun: stupids
1.
a stupid person (often used as a term of address).
"you're not a coward, stupid!"
Origin