English Vocabulary Word List U
- Ubiquitous
- Ubiquity
- Udder
- UFO
- Ugh
- Ugliness
- Ugly
- Uh
- Uh-huh
- Uh-oh
- Uh-uh
- U.K.
- Ulcer
- Ulterior
- Ultimate
- Ultimately
- Ultimatum
- Ultrasonic
- Ultrasound
- Ultraviolet
- Um
- Umbilical cord
- Umbrella
- Umpire
- Umpteen
- Umpteenth
- UN
- Unabashed
- Unabated
- Unable
- Unabridged
- Unacceptable
- Unacceptably
- Unaccompanied
- Unaccountable
- Unaccountably
- Unadulterated
- Unaffected
- Unaided
- Un-American
- Unanimity
- Unanimous
- Unanimously
- Unarmed
- Unassuming
- Unattached
- Unattended
- Unattractive
- Unauthorized
- Unavailable
- Unavoidable
- Unavoidably
- Unaware
- Unawares
- Unbalanced
- Unbearable
- Unbearably
- Unbeatable
- Unbeaten
- Unbelievable
- Unbelievably
- Unborn
- Unbounded
- Unbridled
- Unbroken
- Unbutton
- Uncalled-for
- Uncannily
- Uncanny
- Uncertain
- Uncertainly
- Uncertainty
- Unchanged
- Uncharacteristic
- Uncharacteristically
- Uncharted
- Unchecked
- Uncle
- Unclean
- Unclear
- Uncle Sam
- Uncomfortable
- Uncomfortably
- Uncommon
- Uncommonly
- Uncompromising
- Unconcerned
- Unconditional
- Unconditionally
- Unconfirmed
- Unconscionable
- Unconscious
- Unconsciously
- Unconsciousness
- Unconstitutional
- Uncontrollable
- Uncontrollably
- Uncontrolled
- Unconventional
- Uncouth
- Uncover
- Uncut
- Undaunted
- Undecided
- Undeniable
- Undeniably
- Under
- Underage
- Underclass
- Underclassman
- Undercover
- Undercurrent
- Undercut
- Underdog
- Underestimate
- Undergo
- Undergrad
- Undergraduate
- Underground
- Undergrowth
- Underhanded
- Underline
- Underlying
- Undermine
- Underneath
- Undernourished
- Underpaid
- Underpants
- Underpass
- Underprivileged
- Underrate
- Underrated
- Underscore
- Undershirt
- Underside
- Understaffed
- Understand
- Understandable
- Understandably
- Understanding
- Understate
- Understated
- Understatement
- Understood
- Understudy
- Undertake
- Undertaken
- Undertaker
- Undertaking
- Undertone
- Undertook
- Undertow
- Underwater
- Underwear
- Underweight
- Underwent
- Underworld
- Underwrite
- Underwritten
- Underwrote
- Undesirable
- Undetermined
- Undeveloped
- Undid
- Undisclosed
- Undisturbed
- Undo
- Undoing
- Undone
- Undoubtedly
- Undress
- Undressed
- Undue
- Unduly
- Undying
- Unearth
- Unearthly
- Unease
- Uneasily
- Uneasiness
- Uneasy
- Uneducated
- Unemployed
- Unemployment
- Unemployment compensation
- Unending
- Unequal
- Unequally
- Unequivocal
- Unerring
- Uneven
- Unevenly
- Unexpected
- Unexpectedly
- Unfailing
- Unfair
- Unfairly
- Unfairness
- Unfaithful
- Unfamiliar
- Unfashionable
- Unfasten
- Unfavorable
- Unfeeling
- Unfit
- Unfold
- Unforeseen
- Unforgettable
- Unfortunate
- Unfortunately
- Unfounded
- Unfriendly
- Unfurl
- Ungainly
- Ungrateful
- Ungratefully
- Unhappily
- Unhappiness
- Unhappy
- Unhealthy
- Unheard-of
- Unholy
- Unhook
- Unicorn
- Unidentified
- Unification
- Uniform
- Uniformed
- Uniformity
- Uniformly
- Unify
- Unilateral
- Unimportant
- Uninhabitable
- Uninhibited
- Uninsured
- Unintelligible
- Uninterested
- Union
- Unionize
- Unique
- Uniquely
- Unisex
- Unison
- Unit
- Unite
- United
- United Kingdom
- United Nations
- United States
- Unity
- Universal
- Universally
- Universe
- University
- Unjust
- Unjustified
- Unkempt
- Unkind
- Unkindly
- Unkindness
- Unknowingly
- Unknown
- Unlawful
- Unleaded
- Unleash
- Unless
- Unlike
- Unlikely
- Unlimited
- Unlisted
- Unload
- Unlock
- Unlucky
- Unmarked
- Unmarried
- Unmask
- Unmistakable
- Unmistakably
- Unmitigated
- Unmoved
- Unnatural
- Unnaturally
- Unnecessarily
- Unnecessary
- Unnerve
- Unnerving
- Unnoticed
- Unobtrusive
- Unoccupied
- Unofficial
- Unofficially
- Unorthodox
- Unpack
- Unpaid
- Unparalleled
- Unpleasant
- Unplug
- Unplugged
- Unpopular
- Unpopularity
- Unprecedented
- Unpredictable
- Unprepared
- Unprincipled
- Unprintable
- Unproductive
- Unprofessional
- Unprofitable
- Unprotected
- Unprovoked
- Unqualified
- Unquestionable
- Unquestionably
- Unquestioned
- Unravel
- Unreal
- Unrealistic
- Unreasonable
- Unreasonably
- Unrelenting
- Unreliable
- Unreserved
- Unresponsive
- Unrest
- Unrestrained
- Unrivaled
- Unroll
- Unruliness
- Unruly
- Unsafe
- Unsanitary
- Unsatisfactory
- Unsavory
- Unscathed
- Unscrew
- Unscrupulous
- Unseasonable
- Unseat
- Unseemly
- Unseen
- Unsettled
- Unsightly
- Unskilled
- Unsolicited
- Unsophisticated
- Unsound
- Unspeakable
- Unspecified
- Unspoken
- Unsportsmanlike
- Unstable
- Unsteady
- Unstoppable
- Unsuccessful
- Unsuccessfully
- Unsuitable
- Unsung
- Unsure
- Unsuspecting
- Untangle
- Untenable
- Unthinkable
- Unthinking
- Unthinkingly
- Untie
- Until
- Untimely
- Untiring
- Untold
- Untouchable
- Untoward
- Untried
- Untrue
- Untruthful
- Unused
- Unusual
- Unusually
- Unveil
- Unwanted
- Unwarranted
- Unwelcome
- Unwieldy
- Unwilling
- Unwind
- Unwise
- Unwitting
- Unwittingly
- Unwound
- Unwritten
- Unyielding
- Unzip
- Up
- Up-and-coming
- Upbeat
- Upbringing
- Upchuck
- Upcoming
- Update
- Upend
- Upfront
- Upgrade
- Upheaval
- Upheld
- Uphill
- Uphold
- Upholster
- Upholstered
- Upholstery
- Upkeep
- Uplifting
- Upon
- Upper
- Uppercase
- Upper class
- Upperclassman
- Uppermost
- Uppity
- Upright
- Uprising
- Uproar
- Uproot
- Upscale
- Upset
- Upshot
- Upside down
- Upside-down
- Upstage
- Upstairs
- Upstart
- Upstate
- Upstream
- Upsurge
- Upswing
- Uptake
- Uptight
- Up-to-date
- Up-to-the-minute
- Uptown
- Upturn
- Upward
- Upwards
- Uranium
- Uranus
- Urban
- Urbane
- Urban renewal
- Urban sprawl
- Urchin
- Urge
- Urgency
- Urgent
- Urgently
- Urinate
- Urine
- Urn
- US
- Us
- USA
- Usage
- Use
- Used
- Used to
- Useful
- Usefully
- Usefulness
- Useless
- Uselessly
- Uselessness
- User
- User-friendly
- Usher
- Usual
- Usually
- Usurp
- Utensil
- Uteri
- Uterus
- Utility
- Utility room
- Utilization
- Utilize
- Utmost
- Utopia
- Utopian
- Utter
- Utterance
- Utterly
- U-turn