11-Letter Adjectives Starting With U

Here's the list of all the 525 11-Letter Adjectives Starting With U in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Adjectives (with Definitions and Examples)
underground
1. under the level of the ground
2. conducted with or marked by hidden aims or methods
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unavailable
1. not available or accessible or at hand
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unnecessary
1. not necessary
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unfortunate
1. unsuitable or regrettable
2. not favored by fortune; marked or accompanied by or resulting in ill fortune
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unspecified
1. not stated explicitly or in detail
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unpublished
1. not published
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unsolicited
1. not requested or sought
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unconscious
1. without conscious volition
2. (followed by `of') not knowing or perceiving
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ultraviolet
1. having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end
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unsupported
1. not sustained or maintained by nonmaterial aid
2. not held up or borne
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undesirable
1. not worthy of being chosen (especially as a spouse)
2. not wanted
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unrealistic
1. not realistic
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unexplained
1. not explained
2. having the reason or cause not made clear
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unavoidable
1. impossible to avoid or evade
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unprotected
1. lacking protection or defense
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unfavorable
1. not encouraging or approving or pleasing
2. (of winds or weather) tending to hinder or oppose
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unqualified
1. not limited or restricted
2. not meeting the proper standards and requirements and training
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undisclosed
1. not made known
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unsurpassed
1. not capable of being improved on
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unimportant
1. not important
2. devoid of importance, meaning, or force
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undeveloped
1. not developed, mature, or fully formulated
2. not developed, improved, exploited or used
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unambiguous
1. having or exhibiting a single clearly defined meaning
2. admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
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unregulated
1. without regulation or discipline
2. not regulated; not subject to rule or discipline
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unconfirmed
1. not finally established or settled
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understated
1. exhibiting restrained good taste
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undisturbed
1. untroubled by interference or disturbance
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unbreakable
1. impossible to break especially under ordinary usage
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unreachable
1. inaccessibly located or situated
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unfurnished
1. not equipped with what is needed especially furniture
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unsaturated
1. not saturated; capable of dissolving more of a substance at a given temperature
2. used of a compound (especially of carbon) containing atoms sharing more than one valence bond
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unthinkable
1. incapable of being conceived or considered
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unwarranted
1. incapable of being justified or explained
2. without a basis in reason or fact
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unstoppable
1. not capable of being stopped
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unscheduled
1. not scheduled or not on a regular schedule
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unjustified
1. lacking justification or authorization
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unsatisfied
1. not having been satisfied
2. worried and uneasy
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utilitarian
1. having a useful function
2. having utility often to the exclusion of values
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uncorrected
1. left faulty or wrong
2. not subjected to correction or discipline
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unspeakable
1. defying expression or description
2. exceptionally bad or displeasing
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unmoderated
1. not made less extreme
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unequivocal
1. admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion
2. clearly defined or formulated
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unobtrusive
1. not obtrusive or undesirably noticeable
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unrelenting
1. not to be placated or appeased or moved by entreaty
2. punishingly harsh
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unprocessed
1. not treated or prepared by a special process
2. not refined or processed
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uncontested
1. not disputed and not made the object of contention or competition
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unannounced
1. without warning or announcement
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unfulfilled
1. of persons; marked by failure to realize full potentialities
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unconnected
1. not joined or linked together
2. not connected by birth or family
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untouchable
1. beyond the reach of criticism or attack or impeachment
2. impossible to assail
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underweight
1. being very thin
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uninhabited
1. not having inhabitants; not lived in
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uninhibited
1. not inhibited or restrained
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unforgiving
1. unwilling or unable to forgive or show mercy
2. not to be placated or appeased or moved by entreaty
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undiagnosed
1. eluding diagnosis
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uninitiated
1. not initiated; deficient in relevant experience
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unorganized
1. not having or belonging to a structured whole
2. not affiliated in a trade union
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unimpressed
1. not moved to serious regard
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unsweetened
1. not made sweet
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uncommitted
1. not busy; not otherwise committed
2. not bound or pledged
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unconcerned
1. easy in mind; not worried
2. not occupied or engaged with
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uncluttered
1. having nothing extraneous
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unpatriotic
1. showing lack of love for your country
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unbeknownst
1. (usually used with `to') occurring or existing without the knowledge of
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ultramarine
1. of a brilliant pure blue to purplish blue color
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unrepentant
1. stubbornly persistent in wrongdoing
2. not penitent or remorseful
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unflinching
1. not shrinking from danger
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uncollected
1. not brought together in one place
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unconvinced
1. lacking conviction
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unmitigated
1. not diminished or moderated in intensity or severity; sometimes used as an intensifier
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uncertified
1. lacking requisite official documentation or endorsement
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uninspiring
1. depressing to the spirit
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unsuspected
1. not suspected or believed likely
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unbelieving
1. rejecting any belief in gods
2. holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible
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unappealing
1. (of characters in literature or drama) tending to evoke antipathetic feelings
2. not able to attract favorable attention
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unperturbed
1. free from emotional agitation or nervous tension
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unremitting
1. uninterrupted in time and indefinitely long continuing
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uncompleted
1. not yet finished
2. not caught or not caught within bounds
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unpalatable
1. not pleasant or acceptable to the taste or mind
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unalienable
1. incapable of being repudiated or transferred to another
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unaddressed
1. not addressed
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11-Letter Adjectives Starting With U