- unman
- unconcentrated
- unquivering
- untremulous
- unsummoned
- unprogressive
- uninjured
- unscathed
- unharmed
- unclassified
- unwearied
- unforsakable
- undigested
- unemployment rate
- unprofessionally
- uncontroversial
- underskirt
- unrhymed
- unrimed
- unspeakably
- unstunted
- uncramped
- uninhibitedly
- unpatronized
- unscientifically
- unpatronised
- unpaged
- undersoil
- upraise
- used only in the compound
- unobjective
- unverifiable
- unprotected
- up north
- uproariously
- unornamented
- undecorated
- unembellished
- unsaved
- uterine gland
- used as the second member of the compound
- upstroke
- unfeeling temperament
- union of burma
- unsheathe
- under one's complete control
- uppermost
- unmined
- uninjectable
- unsounded