Thesaurus

Synonyms for Demoniac include:

agitated, amok, amuck, around the bend, aroused, balmy, barmy, bats, batty, berserk, bonkers, brainsick, buggy, certifiable, certified, crackbrained, cracked, crackers, crazed, crazy, daft, demented, demoniac, demoniacal, deranged, discomposed, distracted, distraught, disturbed, dotty, emotional, excited, feverish, fey, frantic, frenetic, frenzied, fruity, half-crazed, haywire, hebephrenic, hectic, hysterical, idiotic, impatient, insane, irrational, jolted, kookie, kooky, loco, loony, loopy, lunatic, mad, maniac, maniacal, manic-depressive, maniclike, mentally ill, moonstruck, non compos mentis, nuts, nutty, of unsound mind, overwrought, paranoid, phrenetic, possessed, psychedelic, psychopathic, psychopathologic, psychopathological, psychotic, raving, raving mad, round the bend, schizophrenic, screw-loose, screwy, shaken, sick, tense, touched, unbalanced, unhinged, unquiet, unreasonable, unsound, unstable, unsteady, wacky, whacky, wild, wild-eyed, worked up

demoniac is a ADJ.

demoniac

demoniac is a NOUN.