| unter der Hand | backstairs under the counter under the table underhand |
| unter dem Winde | downwind |
| unter der Erde | underground |
| mit der Hand | by hand |
| untergehend | setting |
| unter der Woche | during the week |
| aus erster Hand | straight from the horse's mouth |
| Unterstand | cabana refuge |
| unter aller Sau | abysmal |
| untergehakt | arm in arm |
| Unterbrechung | interruption break adjournment interrupt |
| Untergrund | bedrock (geol.) subfloor subgrade (constr., tech., geol.) subsoil substrate substratum base basis footing ground base coat (paint etc.) base material surface undercoat (paint etc.) underground |
| Unterleutnant | second lieutenant underlieutenant |
| Unterpfand | pledge |
| Unterschrank | base cabinet |
| Unterwerfung | subjugation submission subjection |
| unterbrechen | interrupt disconnect disrupt cut off disturb suspend |
| unterdessen | in the meantime meanwhile |
| untergehen | sink |
| unterstehen | be subordinate to dare |