| mindless(adjective, wrong, silly, foolish, stupid) |
| nonsensical(adjective, weak, simple, wrong, wild) |
| unfortunate(adjective, foolish, stupid, rash, risky) |
| unintelligent(adjective, weak, simple, silly, foolish) |
| unseemly(foolish, thoughtless, risky, imprudent, misguided) |
| unsound(adjective, wrong, careless, silly, foolish) |
| idiotic(adjective, weak, simple, wild, silly) |
| immature(adjective, foolish, stupid, rash, absurd) |
| impractical(adjective, wild, stupid, unreasonable, thoughtless) |
| improvident(adjective, careless, foolish, stupid, thoughtless) |
| inconsiderate(adjective, careless, foolish, thoughtless, inappropriate) |
| irresponsible(adjective, careless, silly, foolish, stupid) |
| naive(adjective, foolish, stupid, rash, risky) |
| undesirable(adjective, foolish, stupid, rash, risky) |
| undiscerning(adjective, imbecility folly) |
| unguarded(adjective, thoughtless, unwary) |
| unwary(adjective, foolish, thoughtless, rash, irresponsible) |
| wrong(adjective, careless, foolish, stupid, crazy) |
| daft(adjective, weak, simple, wild, silly) |
| dippy(adjective, weak, simple, silly, foolish) |