| kooky(adjective, silly, foolish, crazy, mad) |
| loopy(adjective, crazy, mad, odd, insane) |
| neurotic(adjective, agitated, insane, overexcited, preoccupied) |
| nonsensical(adjective, crazy, mad, odd, insane) |
| of unsound mind(expression, adjective, idiom, silly, foolish) |
| off-the-wall(adjective, crazy, mad, odd, insane) |
| psychotic(adjective, insane) |
| ranting(adjective, wild, frenzied) |
| twisted(adjective, crazy, mad, odd, insane) |
| agitated(adjective, upset, wild, mad, insane) |
| ape(silly, foolish, crazy, mad, insane) |
| ardent(adjective, intense, passionate, violent, fierce) |
| aroused |
| bats in the belfry(expression, idiom, silly, foolish, mad) |
| bonkers(adjective, silly, foolish, crazy, mad) |
| cracked(adjective, silly, foolish, crazy, mad) |
| cuckoo(adjective, silly, foolish, crazy, mad) |
| demoniac(adjective, insane, lunatic) |
| deviant(adjective, imbalanced) |
| disarranged(adjective, imbalanced) |