| eccentric(adjective, strange, crazy, odd, unconventional) |
| idiotic(adjective, weak, simple, silly, foolish) |
| imbecilic(adjective, weak, simple, silly, foolish) |
| moronic(adjective, weak, simple, silly, foolish) |
| touched(adjective, sane) |
| unhinged |
| crazed(adjective, wrong, stupid, crazy, confused) |
| inane(adjective, foolish) |
| kookie |
| non compos mentis(adjective, law, sane) |
| nonsensical(adjective, weak, simple, silly, foolish) |
| not all there(expression, adjective, idiom, crazy, sick) |
| odd(adjective, strange, stupid, crazy, irregular) |
| preposterous(adjective, weak, simple, silly, foolish) |
| ridiculous(adjective, weak, simple, strange, silly) |
| round the bend(expression, adjective, idiom) |
| smitten(adjective, mad, enchanted, captivated, charmed) |
| stupid(adjective, weak, simple, silly, foolish) |
| around the bend(expression, adjective, idiom, wrong, confused) |
| disturbed(adjective, strange, crazy, sick, odd) |