| UP | the higher of two berths |
|---|---|
| UP | higher in place or position |
| UP | superior in rank or accomplishment |
| UP | the topmost one of two |
| UP | a river in central England that flows through Stratford-on-Avon and empties into the Severn |
| UP | rearmost or uppermost area in the balcony containing the least expensive seats |
| UP | the higher of two berths |
| UP | (mathematics) a number equal to or greater than any other number in a given set |
| UP | cannon that provides plate armor for the upper arm |
| UP | from 280 million to 310 million years ago |
| UP | from 280 million to 310 million years ago |
| UP | one of the large alphabetic characters used as the first letter in proper names and sometimes for emphasis |