| improper | unfitting, unsuitable, inappropriate |
| inconvenient | unsuitable, inappropriate, out of place |
| misgraffed | badly grafted, ill-matched, unsuited |
| unagreeable | disagreeable, unsuited, uncongenial |
| unmeet | unfitting, unsuitable, improper |
| unseasonable | unsuitable, inappropriate, unwelcome |
| unsorted | unsuitable, unfit, badly chosen |
| unsquared | badly fitting, unsuitable, unbecoming |
| unsuitable | unfashionable, old-fashioned, passe |
| untuneable | unsuitable, disagreeable; or: unmelodious |