| dippy(adjective, slang, crazy) |
| loco(noun, adjective, slang, crazy) |
| ridiculous(adjective, light, weak, simple, wrong) |
| eccentric(verb, adjective, unusual, wild, strange) |
| unbalanced(adjective, silly, foolish, crazy) |
| cuckoo(adjective, slang, silly, stupid, crazy) |
| deranged(adjective, wild, enthusiastic, silly, foolish) |
| idiotic(adjective, weak, simple, wild, silly) |
| irrational(adjective, weak, simple, wild, silly) |
| stupid(adjective, weak, simple, wrong, wild) |
| touched(adjective, wild, silly, foolish, stupid) |
| fruity(noun, adjective, slang, silly, foolish) |
| potty(adjective, wild, silly, foolish, stupid) |
| preposterous(adjective, weak, simple, wrong, wild) |
| bananas(adjective, slang, crazy, sane) |
| buggy(adjective, slang, foolish, crazy) |
| psychotic(adjective, silly, foolish, stupid, crazy) |
| crazed(adjective, wild, silly, foolish, stupid) |
| mental(adjective, simple, silly, foolish) |
| round the bend(expression, adjective, idiom, silly, foolish) |