- unse-ttled
- unstained
- unmask
- unchallenged-able
- unenlighte-ned
- ungraciousness
- untainted
- underbrush
- unflawed
- unavoidably
- untreatable
- US GI
- unrepresentative
- upcast
- unpretentiously
- undemanding
- unwaged
- utensils
- unhitched
- unfussily
- unenterprising
- unblocke
- unrighteous
- unified
- unsuitability
- un-curbed
- unexciting
- use up surplus energy
- unrehearsed
- unpardonable
- unfathom-able
- unsympathetic to
- unveiled
- unbelief-vable
- unwashed
- use as a basis
- unverified
- unacquainted with
- uncalculated
- unjustly
- unconcerned about
- unambiguous
- uncultivated
- up to the present
- unreasoning
- under the influence
- unconversant
- unthaw
- unstimulating
- unexpurgated
- ultra-modern
- undertakings
- unaired
- understandability
- understand-ing
- until hell freezes over
- unchain
- unwasteful
- uncultured
- urinal
- unsheathe
- undusted
- unfussy
- ultramarine
- upwards of
- unmelodious
- underpinning
- unchivalrous
- undischarged
- undergarments
- unproven
- up to the present time
- untenanted
- upended
- unco-nscious
- upmarket
- unsystematically
- underestimated
- ump
- undistorted
- unharmonious
- unhidden
- ungrudgingly
- unrepeated
- unusu-alllly
- unmoor
- up in the sky
- unfavourable unfortunate
- unable to do something
- undershorts
- unexpressed
- unscrupulousness
- unspecifiable
- unfixed
- ungeared
- unimpressive
- unhitch
- unavowed
- unexpceptional
- un-abating