English–Spanish dictionary · U
- ubiquitous
- udder
- UFO
- ugh
- ugliness
- ugly
- Ukrainian
- ukulele
- UL
- ulcer
- ulna
- ulterior
- ultimatum
- ultrasonic
- ultrasound
- ultraviolet
- umbrella
- UN
- unabashed
- unable
- unacceptable
- unacceptance
- unanimity
- unanimous
- unanimously
- unarmed
- unavailable
- unawares
- unbearable
- unbeatable
- unbeaten
- unbelievably
- unblock
- unbreakable
- unbridled
- unburden
- unbury
- unbutton
- unceasing
- uncertain
- uncertainty
- unchain
- unchanged
- unchecked
- uncle
- uncomfortable
- uncomfortably
- uncommunicated
- uncomparable
- uncomprehending
- uncompromising
- unconditional
- unconditionally
- unconscious
- unconsciously
- unconsciousness
- unconstitutional
- uncontrollable
- unconventional
- uncork
- uncouth
- uncover
- undamaged
- undaunted
- undefined
- undeniable
- undeniably
- under
- underbelly
- underdeveloped
- underestimate
- underline
- underlying
- underneath
- underpants
- underprivileged
- undershirt
- understand
- understandable
- understandably
- understanding
- undertake
- undertaker
- undertow
- underworld
- underwriter
- undesirable
- undetected
- undisciplined
- undisputed
- undivided
- undo
- undocumented
- undoubtedly
- undress
- uneasiness
- unemployed
- unemployment
- unequal
- unequivocally
- unexpected
- unexpectedly
- unfair
- unfaithful
- unfinished
- unfit
- unfold
- unfolded
- unforeseeable
- unforeseen
- unforgettable
- unforgivable
- unfortunate
- unfortunately
- unfriendly
- ungratefulness
- ungrateful/unthankful
- unguarded
- unhappiness
- unhappy
- unharmed
- unhealthy
- unholy
- unhook
- unicorn
- unicycle
- unification
- unified
- uniform
- uniformed
- unify
- unifying
- unilateral
- unimaginable
- unimportant
- uninhabitable
- uninhabited
- uninhibited
- unintelligible
- unintentional
- unintentionally
- uninterrupted
- union
- unique
- uniquely
- uniqueness
- unisonous
- unit
- unite
- united
- universal
- universally
- universe
- university
- unjustified
- unknowable
- unknown
- unlawful
- unlikely
- unlimited
- unload
- unloading
- unlucky
- unmarried
- unmask
- unmatchable
- unmistakable
- unnecessary
- unofficial
- unorthodox
- unpack
- unpaid
- unpleasant
- unpleasantly
- unplug
- unpolished
- unpopular
- unprecise
- unpredictable
- unpublished
- unpunished
- unquestionable
- unquestionably
- unravel
- unreachable
- unreal
- unreasonable
- unrecognizable
- unreliable
- unrest
- unripe
- unsatisfactory
- unscathed
- unscrew
- unscrupulous
- unseemly
- unspeakable
- unstable
- unstained
- unsteady
- unstick
- unstoppable
- unsubstantiated
- unsuccessful
- unsure
- unsurpassed
- untamed
- untangle
- unthankful
- unthinkable
- untidy
- untie
- untied
- until
- untimely
- untouchable
- unusable
- unused
- unusual
- unveil
- unwanted
- unwavering
- unwilling
- unwind
- unworthy
- unwrap
- unzip
- up
- update
- updated
- upright
- uprising
- uproar
- uproot
- UPS
- upset
- upsetting
- upstart
- urban
- urbanization
- urchin
- Urdu
- urethra
- urge
- urgency
- urgent
- urgently
- urinal
- urinary
- urinate
- urine
- urn
- urologist
- urticaria
- us
- USA
- usable
- use
- used
- useful
- useless
- uselessly
- user
- usher
- Usonian
- USSR
- usual
- usually
- usurer
- usurp
- usurper
- usury
- Ute
- utensils
- uterine
- uterus
- utility
- utilization
- utopia
- utopian
- utter