- untaught
- upwards
- uncivil
- unborn
- uncharitable
- unkind
- uncharted
- unfamiliar
- unintelligent
- unshaven
- uncleanliness
- unreported
- unpropitious
- unprovoked
- uncouple
- unwholesome
- uncalled for
- unseemly
- unutterable
- unrefined
- unsuspected
- undreamt
- unreasoning
- unmerited
- unseat
- undeclared
- unending
- ungracious
- uncultured
- untamed
- underbred
- untamable
- unparliamentary
- uneatable
- unfurnished
- uncomfortable
- unpalatable
- unfriendliness
- unionist
- unconsidered
- unheeded
- unendurable
- uncomplaining
- unembodied
- unpicked
- undistinguished
- uncommitted
- unrelieved
- unfitness
- unfavorable