Thesaurus

Synonyms for Idiotic include:

absurd, amok, amuck, around the bend, asinine, balmy, barmy, bats, batty, berserk, bonkers, brainless, brainsick, buggy, certifiable, certified, cockamamie, cockamamy, cockeyed, crackbrained, cracked, crackers, crazed, crazy, daft, demented, demoniac, demoniacal, deranged, derisory, distracted, disturbed, dotty, fatuous, feebleminded, fey, fond, foolish, fruity, goofy, half-crazed, half-witted, harebrained, haywire, headless, hebephrenic, idiotic, ill-advised, ill-conceived, imbecile, imbecilic, impolitic, imprudent, inadvisable, inane, insane, irrational, kookie, kooky, laughable, loco, loony, loopy, ludicrous, lunatic, mad, maniac, maniacal, manic-depressive, maniclike, mentally ill, mindless, misguided, moonstruck, moronic, non compos mentis, nonsensical, nuts, nutty, of unsound mind, paranoid, possessed, preposterous, psychopathic, psychopathologic, psychopathological, psychotic, rattlebrained, rattlepated, raving, raving mad, retarded, ridiculous, round the bend, sappy, scatterbrained, scatty, schizophrenic, screw-loose, screwy, sick, silly, slow-witted, stupid, touched, unadvisable, unadvised, unbalanced, unhinged, unintelligent, unreasonable, unsound, unstable, unwise, vacuous, wacky, whacky, wild, zany

idiotic is a ADJ.