| UPP | a central nervous system stimulant that increases energy and decreases appetite |
|---|---|
| UPP | piece of leather that forms the part of a shoe or boot above the sole |
| UPP | the higher of two berths |
| UPP | higher in place or position |
| UPP | superior in rank or accomplishment |
| UPP | the topmost one of two |
| UPP | a river in central England that flows through Stratford-on-Avon and empties into the Severn |
| UPP | rearmost or uppermost area in the balcony containing the least expensive seats |
| UPP | the higher of two berths |
| UPP | (mathematics) a number equal to or greater than any other number in a given set |
| UPP | cannon that provides plate armor for the upper arm |
| UPP | from 280 million to 310 million years ago |