| psychological(adjective, mind, rational, intelligent, thoughtful) |
| crazy(adjective, informal, strange, silly, foolish) |
| cognitive(adjective, rational, emotional, reasoning, thinking) |
| mad(adjective, simple, silly, foolish, crazy) |
| insane(adjective, simple, silly, foolish, crazy) |
| intellectual(adjective, mind, smart, rational, intelligent) |
| deranged(adjective, simple, silly, foolish, mad) |
| spiritual(adjective, mind, rational, individual, intellect) |
| unbalanced(adjective, silly, foolish, crazy, mad) |
| nuts(adjective, slang, silly, foolish, crazy) |
| lunatic(adjective, simple, silly, foolish, mad) |
| psychic(adjective, mind, rational, intellectual, supernatural) |
| psychotic(adjective, silly, foolish, stupid, insane) |
| loony(noun, adjective, slang, informal, foolish) |
| cerebral(adjective, mind, rational, intelligent, thoughtful) |
| psychical(adjective, mind, rational, intellect, emotional) |
| daft(adjective, informal, silly, foolish, stupid) |
| loco(adjective, insane, hacked, lunatic, psychiatric) |
| batty(adjective, silly, foolish, stupid, crazy) |
| bonkers(adjective, simple, silly, foolish, mad) |