- untypical
- unneeded
- undesirables
- Uncle Sam
- underscore
- unfairness
- unmoving
- unintelli-gent
- uninhabitable
- undefeated
- under stress
- up ahead
- unzipped
- uncompli-cated
- unimaginativeness
- untidily
- utter oaths
- unison
- unmissable
- unvoiced
- unthought of
- unimportance
- upper house
- undirected
- up till now
- undergarment
- unnoted
- unre-lated
- urn
- unanimated
- unapproachability
- unceremoniously
- unlatched
- unbosom oneself
- unhealthy diet
- unorthodoxy
- unperson
- unannounced
- under-score
- uheeding
- unwrinkled
- user-frinedly
- uncaringly
- unsoiled
- understatement
- unintellectual
- unforeseeable
- unpopu-larity
- unsay
- up for
- use in place of
- underhanded-ness
- unobjectionable
- unassociated
- upswing
- undeterred by
- unskillful
- uncurving
- unblended
- undesired
- unhand
- unambigu-ously
- uninvited guest
- unluckily
- urban area
- unprovable
- uprightness. fortitude
- unladylike
- unbothered
- unresponsive
- unrewarding
- unshortened
- underserved
- unconsciously
- use bad language
- unfairly
- unsolved problem
- uninflammable
- utilization
- unbound
- up to here with
- unforced
- unwatchful
- unelaborated
- unsleeping
- unfalteringly
- unpremeditatedly
- unreliability
- unarticulated
- unstilted
- untalked-of
- untether
- untied
- undescribable
- usher in
- usparing
- unnerved
- unaccounted for
- unbefitting
- undiscerning