List of madman synonyms and madman related words.
aliene, ass, bedlamite, borderline case, crackbrain, crackpot, dement, demoniac, donkey, energumen, fanatic, flake, fou, idiot, imbecile, jackass, jerk, kook, loon, loony, lunatic, maniac, meshuggenah, nincompoop, ninny, non compos, noncompos, nut, phrenetic, psycho, psychopath, psychotic, raving lunatic, screwball, weirdo