Pennine Way, theˌPennine ˈWay, the 
a very long path (250 miles) along the pennines, which people walk along for pleasure or exercise
a very long path (250 miles) along the pennines, which people walk along for pleasure or exercise- Ulster Defence Regiment
- Ulster Democratic Unionist Party
- Ulster Unionists
- Ulster Volunteer Force
- ulterior
- ultimate
- ultimate fighting
- ultimately
- ultimatum
- ultra-
- Ultrabook
- ultramarine
- ultraportable
- ultrasonic
- ultrasound
- ultraviolet
- ululate
- ululation
- Uluru
- Ulysses
- um
- umami
- um and ah
- umber
- umbilical cord