Synonyms and related words :
abashed, abnormal, abroad, adrift, astray, at sea, bereft of reason, bewildered, bothered, brainsick, clueless, confused, crackbrained, cracked, crazed, crazy, daft, deluded, demented, deprived of reason, deranged, discomposed, disconcerted, dismayed, distracted, distraught, disturbed, embarrassed, flighty, guessing, hallucinated, in a fix, in a maze, in a pickle, in a scrape, in a stew, insane, irrational, loco, lost, lunatic, mad, maddened, manic, mazed, mental, mentally deficient, meshuggah, moon-struck, non compos, non compos mentis, not all there, not right, odd, of unsound mind, off, off the track, perturbed, psycho, put-out, queer, reasonless, senseless, sick, stark-mad, stark-staring mad, strange, tetched, touched, turned around, unbalanced, unhinged, unsane, unsettled, unsound, upset, wandering, without a clue, witless