derisive

so foolish or pointless as to be worthy of scornful laughter the derisive performances of some of the singers on the talent show Synonyms absurd, cockamamy (or cockamamie), comical, ridiculous, derisory, farcical, laughable, ludicrous, pathetic, preposterous, risible, sillyRelated Words asinine, brainless, dumb, fatuous, foolish, half-baked, half-witted, harebrained, idiotic (also idiotical), imbecile (or imbecilic), inane, jerky, moronic, nonsensical, simpleminded, stupid, unwise, weak-minded, witless; balmy, cockeyed, crazy, cuckoo, daffy, daft, dotty, insane, kooky (also kookie), loony (also looney), lunatic, mad, nutty, screwball, senseless, wacky (also whacky); fantastic (also fantastical), far-fetched, inconceivable, incredible, unbelievable, unreal, unrealistic, unreasonable; illogical, irrationalNear Antonyms earnest, serious, solemn; believable, conceivable, credible, logical, rational, realistic, reasonable, sensible