| undesirable(adjective, characteristic, absurdity, insanity) |
| unfeasible(adjective, characteristic, absurdity, insanity) |
| unintelligent(adjective, characteristic, absurdity, insanity) |
| unreal(adjective, characteristic, absurdity, insanity) |
| unreasoning(adjective, characteristic, absurdity, insanity) |
| unsensible(adjective, characteristic, absurdity, insanity) |
| unserviceable(adjective, characteristic, absurdity, insanity) |
| unsound(adjective, characteristic, absurdity, insanity) |
| unstable(adjective, characteristic, absurdity, insanity) |
| unsuitable(adjective, characteristic, absurdity, insanity) |
| unusable(adjective, characteristic, absurdity, insanity) |
| unwarranted(adjective, characteristic, absurdity, insanity) |
| useless(adjective, characteristic, absurdity, insanity) |
| visionary(adjective, characteristic, absurdity, insanity) |
| weak(adjective, characteristic, absurdity, insanity) |
| weird(adjective, ignorance, stupidity, foolishness, hastiness) |
| witless(adjective, characteristic, absurdity, insanity) |
| won't fly(expression, characteristic, absurdity, insanity) |
| zany(adjective, characteristic, absurdity, insanity) |