- unending repetition of a demand
- unscholarly
- undercover
- unrevealed
- undisclosed
- upper cut
- unheard of (before)
- unseeable
- urticaria
- used in braj bhasha poetry to denote the moghul emperor aurangzeb—a descendant of
- unfree
- under another's control
- uncontrolled
- unfeeling man
- unorthodoxy
- used car
- uroxicide
- unconquered
- undefeated
- undertaker
- unusual appearance
- uprising
- umbilical region
- unwavering deep concentration
- uterine
- underfloor
- ungula
- uvulitis
- underlie
- under payment
- unpick
- uzbekistan
- uncoil
- unbutton
- untapped
- undimmed
- unfasten
- unknot
- unstintingly
- uninterruptedly
- unrelentingly
- unremittingly
- unceasingly
- unrinary
- unhand
- unripe
- unwavering
- used as a suffix to mean obliged by
- unsupported
- urn shaped