| undantagandes | except |
| undantagen | excluding |
| undantagslagar | emergency law |
| undantagstillstånd | state of emergency |
| undantränga | supplant |
| undekagon | undecagon |
| under | during |
| under behandling | under discussion |
| Under belägring | Under Siege |
| under bordet | underhand |
| under bältet | below the belt |
| under det att | while |
| under det normala | subnormal |
| under en timma | for one hour |
| under förutsättning att | on the understanding that |
| under förutsättning av | subject to |
| under fötterna | underfoot |
| under hela | during |
| under högtryck | under high pressure |
| under jorden | underground |
| under kniven | under the knife |
| under kontroll | under control |
| under loppet av | during |
| under luppen | under the microscope |
| under medelstorlek | undersized |
| under radarn | under the radar |
| under skyddstillsyn | on probation |
