| lunatic(adjective, crazy, mad, odd, insane) |
| trivial(adjective, dull, value, silly, foolish) |
| anesthetized(adjective, hard, tough, severe, cold) |
| balmy(adjective, crazy, mad, odd, insane) |
| barmy(adjective, crazy, mad, odd, insane) |
| benumbed(adjective, hard, tough, severe, cold) |
| bootless |
| brute(adjective, bad, strong, cold, aloof) |
| cockeyed(silly, foolish, fantastic, irrational, unwise) |
| deadened(adjective, hard, tough, severe, cold) |
| empty-headed(careless, silly, foolish, stupid, trivial) |
| fallacious(adjective, foolish, unreasonable, absurd, irrational) |
| farcical(adjective, absurd) |
| half-baked(adjective, dull, simple, foolish, stupid) |
| half-witted(adjective, dull, weak, simple, slow) |
| imprudent(adjective, weak, simple, careless, foolish) |
| indiscreet(adjective, dull, weak, simple, careless) |
| invalid(adjective, wrong, false, foolish, stupid) |
| nuts(adjective, silly, foolish, stupid, unwise) |
| oblivious(adjective, careless, silly, foolish, thoughtless) |