- unremarked
- unnoticed
- undermentioned
- unromantically
- uncounsciousness
- uncertified
- uncomprehensible
- uncurved
- unweariness
- unforgatable
- unhallow
- upwardly mobile
- unbreakableness
- unsanctify
- useless argument
- unlikeliness
- urges
- unprejudiced
- uvular
- unitedly
- usually used as an adjectival suffix meaning having faith
- unsolved
- urceolate
- unflaggingly
- untenderly
- unsporting
- unfaithfulness
- untested
- untried
- unfairly
- unwarily
- uncomfortably
- uneasily
- unmemorable
- unreservedly
- uncompromisingly
- unconventionality
- up with
- unmindfully
- unscrupulously
- unquestionability
- unhampered
- unsolder
- unrestricted unrestrained
- ungrudging
- used as a suffix meaning —generated by or born of (as
- unprofessional
- upend
- up end
- unwaveringly