- unreserved
- unresisted
- unrest
- unriddle
- unrig
- unrighteous
- unripe
- unrivaled
- unrobe
- unroll
- unroot
- unruffled
- unruled
- unruly
- unsaddle
- unsalable
- unsaturated
- unsay
- unscrew
- unscrupulous
- unseal
- unseam
- unsearchable
- unseasonable
- unseasoned
- unseat
- unseemly
- unseen
- unsettle
- unsex
- unsexed
- unshackle
- unshakable
- unsheathe
- unshed
- unship
- unsighted
- unskillful
- unsociable
- unsophisticated
- unsorted
- unsound
- unsparing
- unspeakable
- unspotted
- unstable
- unstitch
- unstop
- unstrained
- unstratified
- unstring
- unstudied
- unsubstantial
- unsuccess
- unsuccessful
- unsupportable
- unswayed
- unsymmetrical
- untangle
- unthinking
- unthrifty
- untidy
- untie
- until
- untimely
- unto
- untold
- untouched
- untoward
- untowardly
- untrained
- untrammeled
- untrue
- untruth
- untruthful
- untwist
- unused
- unusual
- unutterable
- unveil
- unwarrantable
- unwarranted
- unwary
- unwashed
- unwearied
- unwell
- unwieldy
- unwilled
- unwilling
- unwind
- unwisdom
- unwise
- unwisely
- unwitting
- unwonted
- unworldly
- unworthy
- unwrap
- unwritten
- unyoke