| crazy(noun, adjective, fanatic, loony, dingbat) |
| craze(noun, verb, disorder, disturb, confuse) |
| derange(verb, upset, disturb, worry, confuse) |
| madden(verb, disturb, confuse, wreck, disconcert) |
| nut(noun, crazy, fanatic, patient, cuckoo) |
| crackpot(noun, character, crazy, eccentric, loony) |
| distract(verb, disturb, confuse, wreck, disconcert) |
| frenzy(noun, verb, disturb, confuse, wreck) |
| idiot(noun, patient, cuckoo) |
| madman(noun, character, loony, dissentient, neurotic) |
| maniac(noun, crazy, cuckoo, lunatic, loony) |
| screwball(noun, crazy, cuckoo, lunatic, loony) |
| unbalance(verb, upset, disturb, worry, confuse) |
| unhinge(verb, upset, disturb, worry, confuse) |
| demoniac(worrier, nutter, valetudinary) |
| fanatic(noun, crazy, loony, dingbat, ultraist) |
| insane person(noun, expression, idiom, person, worrier) |
| kook(fanatic, dingbat, ultraist) |
| loon(noun, fanatic, patient, cuckoo, dingbat) |
| loony(noun, crazy, cuckoo, lunatic, lamebrain) |