| harebrained(adjective, characteristic, insanity, craziness) |
| impracticable(adjective, characteristic, insanity, craziness) |
| inappropriate(adjective, characteristic, insanity, craziness) |
| irascible(adjective, characteristic, nastiness, wrath) |
| irresponsible(adjective, characteristic, insanity, craziness) |
| kooky(adjective, characteristic, insanity, craziness) |
| loony(adjective, characteristic, insanity, craziness) |
| lunatic(adjective, characteristic, insanity, craziness) |
| maniacal(adjective, characteristic, insanity, craziness) |
| mental(adjective, characteristic, insanity, craziness) |
| moonstruck(adjective, characteristic, insanity, craziness) |
| nonsensical(adjective, characteristic, insanity, craziness) |
| nuts(adjective, characteristic, insanity, craziness) |
| nutty(adjective, characteristic, insanity, craziness) |
| odd(adjective, characteristic, insanity, craziness) |
| peculiar(adjective, characteristic, insanity, craziness) |
| peevish(adjective, characteristic, nastiness, wrath) |
| petulant(adjective, characteristic, nastiness, wrath) |
| potty(adjective, characteristic, insanity, craziness) |
| preposterous(adjective, characteristic, insanity, craziness) |