| undeutlich | indistinct vague hazy |
| deutlich | clear distinct marked |
| ungemütlich | uncomfortable |
| undeutlich reden | slur |
| mundartlich | dialectal |
| wunderlich | whimsical |
| überdeutlich | obvious |
| unkenntlich | unrecognizable |
| ordentlich | orderly tidy |
| unordentlich | messy untidy |
| unwirtlich | inhospitable |
| urzeitlich | primeval |
| unnützlich | useless |
| unredlich | bum dishonest |
| neulich | lately recently in recent times not long ago |
| unehelich | bastard illegitimate spurious |
| unehrlich | dishonest crooked dodgy reserved unfrank withdrawn |
| unendlich | infinite |
| unheimlich | scary uncanny weird |
| untauglich | unfit unsuited |