thick-headed

dull dumb foolish futile ill-advised irrelevant laughable ludicrous naive senseless shortsighted simple trivial

dummy loser rash thick unintelligent

brainless dazed deficient dense dim doltish dopey gullible half-baked half-witted idiotic imbecilic inane indiscreet insensate meaningless mindless moronic nonsensical obtuse out to lunch pointless puerile simpleminded slow sluggish stolid stupefied unthinking witless

bright careful intelligent prudent reasonable sensible serious sharp smart thoughtful wise

cognizant responsible

blockheaded brainless dazed deficient dense dim doltish dopey dull dumb dummy foolish futile gullible half-baked half-witted hebetudinous idiotic ill-advised imbecilic inane indiscreet insensate irrelevant laughable loser ludicrous meaningless mindless moronic naive nonsensical obtuse out to lunch pointless puerile rash senseless shortsighted simple simpleminded slow sluggish stolid stupefied thick thickheaded trivial unintelligent unthinking witless

brainless deficient dense doltish dumb empty-headed foolish half-witted idiotic imbecilic inane meaningless mindless moronic not intelligent pointless senseless simple simpleminded slow unthinking witless