- undocking date
- umpteen hundred
- Unna boot
- Unna's paste dressing
- unmarked police vehicle
- use a bit of cunning
- underwork
- utopian dreams
- unconstrainedly
- undoubtably
- uvulas
- UP0 interface
- U-R2 interface
- unhitch, disconnect, uncouple
- unhitch, detach
- unable to work, impaired
- unload, release
- usage, use
- used, second-hand
- usual, common, ordinary
- upper limit, ceiling
- under specified conditions, conditional
- use, utilize
- upper-air cushion, cushion in the slide
- upholster, pad, stuff
- uprights, support
- United Auto Workers, UAW
- underseal, protective undercoating
- union steward, shop steward
- use, consume
- ultrasonic generator, ultrasonic source
- unfinished product, work-in-process
- unit production, manufacture to order; job work; single-part production
- uncoiling, unwind
- underinsurance
- unhusked
- unification process
- unit of mass
- USB stick
- user-generated
- user language
- unity party
- unification treaty
- utility value
- unifying figure
- uncompromisingness
- unable to march
- unfit for human habitation
- useless person
