| unter Garantie | warranted |
| Untergrenze | lower limit |
| untergärig | bottom-fermented |
| Unterfamilie | subfamily |
| Unterlegtrense | bridoon |
| Unterroutine | subroutine |
| Untertanin | subject |
| unter der Erde | underground |
| untergehakt | arm in arm |
| untergraben | subvert undermine |
| Unterart | subspecies |
| Unterfranken | Lower Franconia |
| Untergang | downfall sinking decline |
| Untergebene | subordinate servant |
| 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 |
| Untergruppe | subgroup |
| Unterschrank | base cabinet |
| untertänig | subservient |
| Hotel garni | bed and breakfast |
| Garantie | guarantee |