| Latin | English | |
| umbrae, -arum (f) (as in the shade of an umbrella) [Noun] | shade | » |
| umbra, -ae (f.) (as in the shade of an umbrella) [Noun] | shad | » |
| usitatus -a -um [Adjective] | habitua | » |
| Ut ameris, amabilis esto | Be amiable, then you'll be loved | » |
| Una hirundo non facit ver | One swallow doesn't make spring | » |
| Unum castigabis, centum emendabis | If you reprove one error, you will correct a hundred | » |
| Uxor formosa et vinum sunt dulcia venena | Beautiful women and wine are sweet venom | » |
| Una salus victus nullam sperare salutem | The only [hope of ]safety for the defeated is to relinquish all hope of safety | » |