- up until now
- unrequited in love
- uncompro-mising
- unemot-ional
- unwritten law
- unstop
- universality
- unaligned
- unutilized
- urge on
- undefended
- uncritical
- unre-solved
- unsnarl
- uillean pipes
- untenability
- unfounded belief
- unethi-cal
- uncover-ing
- unshakable
- undercover agent
- understa-ndable
- unswerv-ing
- used up
- unam-biguous
- undetectable
- unexpect-ed
- underused
- underground fighter
- unrecoverable
- ungratefulness
- unsystemati-cally
- unexplored
- unbecoming to
- unlifelike
- unacknow-ledged
- unpainted
- upgrading
- unpleasant experience
- uncondition-al
- unable to be seen
- unfriendly-ness
- unheard
- unne-cessary
- unnecessariness
- unlawful act
- upturned
- undergo fermenta-tion
- unsalaried
- unsuited
- up to this time
- unable to speak
- unbooked
- uncertificated
- unrestricted access to
- unruliness
- unhurt
- unaided
- unattributed
- upholding
- undeveloped
- upper circle
- undressed
- unmindful of
- uncritically
- uninterruptedness
- undersanding
- unescorted by
- upraised
- unenclosed
- unencumbered by
- uplands
- underserving
- untransferable
- uncon-cerned
- unadvisable
- unfemi-nine
- unofficially
- underground passage
- university teacher
- unpopulated
- unpurified
- unrecounted
- unsocial
- unversed
- unwrap
- unlikable
- unerring impeccable
- unemployment benefit
- unstuck
- unsought
- undoubtable
- unable to get a word out
- untraversable
- unacclaimed
- unshaking
- unintelligibility
- uncountable
- unaccredited
- under-neath