| unpromising(adjective, forbidding, unsavoury, not attractive) |
| unreasonable(adjective, forbidding, unsavoury, not attractive) |
| unsatisfactory(adjective, forbidding, unsavoury, not attractive) |
| unselective(adjective, forbidding, unsavoury, not attractive) |
| unshapely(adjective, awful, terrible, ugly) |
| unsociable(adjective, forbidding, unsavoury, not attractive) |
| unsophisticated(adjective, direct, awful, terrible, obvious) |
| unstudied(adjective, direct, awful, terrible, obvious) |
| unsustainable(adjective, forbidding, unsavoury, not attractive) |
| untidy(adjective, forbidding, unsavoury, not attractive) |
| untoward(adjective, forbidding, unsavoury, not attractive) |
| untrained(adjective, forbidding, unsavoury, not attractive) |
| unvarnished(adjective, direct, awful, terrible, obvious) |
| unwashed(adjective, forbidding, unsavoury, not attractive) |
| unwelcoming(adjective, forbidding, unsavoury, not attractive) |
| unwholesome(adjective, forbidding, unsavoury, not attractive) |
| unwise(adjective, dull, silly, stupid, not clever) |
| unworldly(adjective, direct, awful, terrible, obvious) |
| upset(adjective, forbidding, unsavoury, not attractive) |
| vicious(adjective, forbidding, unsavoury, not attractive) |