- unrefined
- unwind
- unrelenting
- unselfish
- unrepentant
- unreserved
- unremitting
- unrest
- unrelated
- unrealistic
- unruffled
- unquote
- unsatisfactory
- unsaturated
- unpopular
- unpolished
- unseemly
- unplowed
- unorganised
- unnatural death
- unmistakable
- unmerciful
- unspecified
- unspectacular
- unspoken
- unmannerly
- unmanly
- unlucky
- unstinted, unstinting
- unsuccessful
- unsung
- unlooked-for
- unlikely
- untangle
- unladen
- unkempt
- universal access
- until
- unison in unison
- unique identification card
- untoward
- untrained
- untwine
- unionist
- unutterable
- unwillingfulness
- union territory
- unworldiness
- unwounded
- uninteresting
- uninterested
- uninformative
- up to a point
- up to grabs
- unification
- upper-ear-ring
- uproot
- unwieldy
- upshot
- upturn
- unicode
- unwarranted
- urology
- usable
- unhygienic
- unvarnished
- unholy alliance
- useless
- useless things
- unheeded
- using or applying along with
- unharmed
- utensil
- unhappiness
- utter
- utter a loud cry
- ungracious
- ungodly
- uvula
- unfriendly
- unused
- unforeseen
- unflappable
- unfit
- unfamiliar
- unfaltering
- unerring
- unenviable
- uneasy
- undue
- undoubted
- undoing
- untrustworthy
- undisguised
- undertone
- undertaking
- underrate
- underprivileged
- underline
- underground cell