| mental(adjective, silly, foolish, stupid, disturbed) |
| moonstruck(adjective, silly, foolish, stupid, insane) |
| non compos mentis(expression, adjective, idiom, unstable, disturbed) |
| of unsound mind(expression, adjective, idiom, foolish, stupid) |
| outlandish(adjective, unusual, strange, silly, foolish) |
| psychotic(adjective, foolish, stupid, crazy, mad) |
| queer(adjective, unusual, strange, odd, unexpected) |
| radical(adjective, severe, harsh, exceptional, ill) |
| raging(adjective, wrong, violent, wild, silly) |
| rambling(adjective, loose, hot, detached, uneven) |
| strange(unusual, silly, foolish, ridiculous, unwise) |
| touched(adjective, wrong, unusual, wild, strange) |
| unconsidered(adjective, rash) |
| unfounded(adjective, foolish, unreasonable, illogical, defended) |
| unjustifiable(adjective, defended, verbal attack) |
| unlogical |
| unscientific(adjective, chance, worthless, unacceptable, uninformed) |
| untenable(adjective, illogical, defended, verbal attack) |
| violent(adjective, rough, wild, foolish, crazy) |
| aberrant(adjective, foolish, hot, anxious, unreasonable) |