11-Letter Words Starting with U

All 343 eleven-letter words that start with U

UL

• ultrafilter14n. A device that performs ultrafiltration.
• ultramarine13adj. Of a brilliant dark blue or slightly purplish color like that of the...
• ultramodern14adj. Extremely modern.
• ultrarunner11n. A runner in an ultramarathon.
• ultrasonics13n. The science and technology of ultrasound.
• ultraviolet14adj. Of electromagnetic radiation beyond (higher in frequency than) light...

UN

• unabashedly20adv. In an unabashed manner; without embarrassment or hesitation.
• unaccepting18adj. Not accepting.
• unaccounted16adj. Not accounted.
• unactivated17adj. Not activated; (often, especially) never yet activated.
• unadaptable16adj. Not adaptable.
• unaddressed14adj. Not bearing an address.
• unadoptable16adj. That cannot be adopted; unsuitable for adoption.
• unadvisable17adj. Inadvisable.
• unadvisedly19adv. In an unadvised manner.
• unaesthetic16adj. Not aesthetic.
• unalienable13adj. Not alienable.
• unallocated14adj. That has not yet been allocated.
• unallowable16adj. Not allowable.
• unalterable13adj. Incapable of being altered, or of changing.
• unalterably16adv. In an unalterable manner; in a manner that makes it impossible to be...
• unambiguous16adj. Clear, and having no uncertainty or ambiguity.
• unambitious15adj. Having little ambition for success or achievement.
• unamplified19adj. Not amplified.
• unanimously16adv. In a unanimous manner; without objection.
• unannotated12adj. Not annotated.
• unannounced14adj. Not announced beforehand.
• unappealing16adj. Not appealing.
• unashamedly20adv. In an unashamed manner.
• unaspirated14adj. Not aspirated.
• unassembled16adj. Not assembled.
• unassertive14adj. Not assertive.
• unauthentic16adj. Not authentic; inauthentic.
• unavailable16adj. Not available.
• unavoidable17adj. Impossible to avoid; bound to happen.
• unavoidably20adv. In an unavoidable manner.
• unawareness14n. The state of being unaware.
• unbalancing16n. The action or process of bringing or falling out of balance.
• unbeautiful16adj. Not beautiful; ugly or inelegant.
• unbefitting17adj. Not befitting; not appropriate or suitable.
• unbeknownst20adj. Without the knowledge of.
• unbelieving17adj. That does not believe; incredulous, skeptical.
• unblemished19adj. Lacking blemishes; faultless.
• unblockable21adj. Not blockable; that cannot be blocked.
• unbreakable19adj. Difficult or impossible to break and therefore able to withstand rough...
• unburdening15n. The act by which one unburdens oneself.
• unbuttoning14n. An act of unfastening buttons.
• uncancelled16adj. Not having been cancelled.
• uncanniness13n. The state or condition of being uncanny.
• uncanonical15adj. Not canonical.
• uncatchable20adj. Not catchable; that cannot be caught.
• unceasingly17adv. Without ceasing (stopping); continuously.
• uncertainly16adv. In an uncertain manner.
• uncertainty16n. Doubt; the condition of being uncertain or without conviction.
• uncertified17adj. Lacking certification or official documentation.
• unchartered17adj. Not chartered; not supplied with a charter.
• unchristian16adj. Not of the Christian faith.
• uncivilized26adj. Not having developed a civilization.
• uncleanness13n. The state of being unclean.
• unclimbable19adj. Not able to be climbed.
• uncluttered14adj. Not cluttered; without clutter.
• uncoachable20adj. Impossible or very difficult to coach.
• uncollected16adj. Not collected or gathered.
• uncommented18adj. Not annotated with comments.
• uncommitted18adj. Not inclined toward either side in a matter under dispute.
• uncompleted18adj. Not completed.
• unconcealed16adj. Open to view; not hidden or concealed.
• unconcerned16adj. Indifferent and having no interest; aloof.
• unconfessed17adj. Not acknowledged in a confession.
• unconfident17adj. Not confident.
• unconfirmed19adj. Not finally established, settled or confirmed.
• uncongenial14adj. Not congenial, compatible or sympathetic.
• uncongested15adj. Not congested.
• unconnected16adj. Not connected or joined.
• unconquered23adj. Not conquered.
• unconscious15adj. Not awake; having no awareness (usually as the result of a head injury).
• unconsented14adj. To which consent has not been given; not agreed to.
• uncontacted16adj. Not contacted.
• uncontained14adj. Not contained; unconstrained.
• uncontested14adj. Not contested or disputed; not made the object of competition.
• uncontrived17adj. Not contrived.
• unconverted17adj. Not converted (especially in the religious sense).
• unconvicted19adj. Who has not been convicted.
• unconvinced19adj. Not convinced or lacking conviction.
• uncorrected16adj. Not corrected.
• uncorrupted16adj. Not corrupted; pure, whole.
• uncountable15adj. So many as to be incapable of being counted.
• uncountably18adv. Too many to be counted (either by reason of being infinite or for...
• uncrackable21adj. That cannot be cracked; unbreakable.
• uncrossable15adj. Impossible to cross.
• uncustomary18adj. Not customary.
• undebatable16adj. Not debatable; that cannot be debated.
• undecidable17adj. Incapable of being algorithmically decided in finite time. For example...
• undecorated15adj. Without decoration or adornment.
• undefinable17adj. Not definable.
• undelivered16adj. Not delivered.
• undemanding16adj. Not demanding.
• underactive17adj. Less than normally active.
• underbanked19adj. Having inadequate access to financial services or formal banking...
• underbridge16n. A bridge that allows traffic to pass under a road, river, railway etc.
• undercooked19adj. Insufficiently cooked, so as to be unpalatable or inedible.
• underexpose21v. To take a photograph using too small an exposure.
• underfunded17adj. Insufficiently funded.
• underground14adj. Below the ground; below the surface of the Earth.
• undergrowth19n. The plants in a forest which only reach a relatively low height (such...
• underhanded17adj. Done by moving the hand (and arm) from below.
• underlining13n. An act or instance of marking text with an underline.
• undermanned15adj. Insufficiently manned; understaffed.
• undermining15n. The act or process by which something is undermined.
• underpriced17adj. Having a relatively or abnormally low price.
• underreport14v. To report a number falsely, making it smaller than it ought to be...
• underserved16adj. Underresourced; not having sufficient service.
• undershorts15n. Underpants, type of underwear worn in skin contact with the hip portion...
• undersigned14adj. Having signatures at the end or bottom.
• understated13adj. Restrained and unpretentious.
• undersupply19v. To provide with insufficient supplies; to supply inadequately.
• undertaking17n. The business of an undertaker, or the management of funerals.
• undervalued16adj. Assigned an inappropriately low value.
• underweight19adj. Of an inappropriately or unusually low weight.
• underworked20adj. Ineffectively or inadequately utilized.
• underwriter15n. An entity assuming a financial risk.
• undescended16adj. Not descended.
• undescribed17adj. Not described.
• undeserving16adj. Considered unworthy of reward.
• undesirable14adj. Not desirable, objectionable or not likely to please.
• undesirably17adv. In an undesirable manner.
• undetonated13adj. Not (yet) detonated.
• undeveloped18adj. Not developed or used.
• undeviating16adj. That does not deviate, veer or turn aside; unswerving.
• undiagnosed14adj. That had not been diagnosed.
• undignified17adj. Lacking in or damaging to dignity.
• undisclosed15adj. Kept secret.
• undiscussed15adj. Not discussed, not having been put under discussion.
• undisguised14adj. Not disguised, plainly visible.
• undissolved16adj. Not dissolved.
• undistorted13adj. Free from distortion.
• undisturbed15adj. Not disturbed or agitated.
• undoubtable16adj. Incapable of being doubted; undoubted; indubitable.
• undoubtably19adv. Without doubt.
• undoubtedly18adv. Without doubt; definitely.
• undrinkable18adj. Not drinkable.
• undroppable18adj. Unable to be dropped (from a team selection).
• unelectable15adj. Incapable or unlikely of being elected to political office, especially...
• unemotional13adj. Showing little or no feeling.
• unencrypted19adj. Of something that has been decrypted successfully, or of something that...
• unendurable14adj. Not to be endured; intolerable.
• unenjoyable23adj. Not enjoyable.
• unequivocal25adj. Unambiguous; without equivocation or ambiguity; singularly clear...
• unescapable17adj. Impossible to avoid or escape.
• unessential11adj. Not essential.
• unethically19adv. In an unethical manner.
• unexcavated24adj. Not excavated.
• unexercised21adj. Not having been subjected to physical exercise.
• unexplained21adj. Not explained; of unknown cause or origin.
• unexploited21adj. Not exploited.
• unexpressed21adj. Not expressed.
• unfailingly18adv. Without fail; reliably; always.
• unfaltering15adj. Without faltering, continuous, steadfast.
• unfavorably22adv. In an unfavorable manner.
• unfeathered18adj. Lacking feathers.
• unfermented17adj. That has not been fermented.
• unflappable20adj. Remaining composed and level-headed at all times; impossible to...
• unflinching20adj. Without flinching; staying committed despite any difficulty; steadfast.
• unflustered15adj. Not flustered; calm.
• unforgiving19adj. Unwilling or unable to forgive or show mercy.
• unforgotten15adj. Not forgotten; still remembered.
• unformatted17adj. Without any structure.
• unfortified18adj. Not fortified.
• unfortunate14adj. Not favored by fortune.
• unfulfilled18adj. Lacking fulfillment; marked by a feeling of failure to achieve goals or...
• unfurnished18adj. Not furnished; having no furnishings.
• unglaciated15adj. Not glaciated.
• unglamorous14adj. Not glamorous; humdrum or prosaic.
• ungodliness13n. The state of being ungodly.
• ungraspable16adj. Not able to be reached or grasped.
• unguardable15adj. That may not be guarded.
• unguessable14adj. Not capable of being guessed.
• unhappiness18n. The feeling of not being happy.
• unharnessed15adj. Having had the harness or harnesses removed.
• unharvested18adj. Not harvested.
• unhealthful20adj. Not promoting health; detrimental to health.
• unhealthily20adv. In an unhealthy manner.
• unhelpfully22adv. In an unhelpful manner.
• unholstered15adj. Not in a holster.
• unhurriedly18adv. In an unhurried manner.
• unicellular13adj. Describing any microorganism that has a single cell.
• unicolorous13adj. Having a single color.
• unification16n. The act or process of unifying.
• unignorable14adj. That cannot be ignored.
• unimmunized25adj. Not having been immunized.
• unimportant15adj. Petty; not important or noteworthy.
• unimpressed16adj. Not impressed.
• uninflected17adj. That does not use inflection.
• uninhabited17adj. Not inhabited; having no inhabitants.
• uninhibited17adj. Not inhibited; having no inhibitions.
• uninitiated12adj. Not having been initiated; not having the special knowledge of a...
• uninspected16adj. Not inspected.
• uninspiring14adj. Not inspiring.
• uninstalled12adj. That has not been installed.
• uninstaller11n. A program that uninstalls software.
• uninsulated12adj. Lacking insulation; not insulated.
• uninsurable13adj. Not insurable; unable to be insured.
• unintrusive14adj. Not intrusive.
• unintuitive14adj. Not intuitive, not easily graspable by intuition.
• uninventive17adj. Not inventive.
• uninvolving18adj. Not involving.
• uniparental13adj. From or with only one parent.
• unipolarity16n. The condition of being unipolar.
• universally17adv. In a universal manner.
• unjustified22adj. Not justified, having no justification, unwarranted.
• unknowingly22adv. Without awareness, without intent.
• unmasculine15adj. Not masculine; not characteristic of, typical of, or appropriate for a...
• unmatchable20adj. Unable to be matched.
• unmedicated17adj. Not medicated.
• unmemorable17adj. Not memorable.
• unmentioned14adj. Not mentioned.
• unmitigated15adj. Not mitigated.
• unmoderated15adj. Not moderated; having no moderator.
• unmodulated15adj. Not modulated.
• unmonitored14adj. Not monitored; unwatched.
• unmotivated17adj. Lacking motivation, without impetus to strive or excel.
• unnaturally14adv. In an unnatural manner; to an unnatural extent.
• unnavigable17adj. Not navigable: difficult or impossible to navigate.
• unnecessary16adj. Not needed or necessary.
• unnervingly18adv. To an unnerving degree.
• unobligated15adj. Not obligated.
• unobservant16adj. Not observant.
• unobtainium15n. A fictional material or component which, if it existed, would enable...
• unobtrusive16adj. Not obtrusive; not blatant or noticeable; discreet, inconspicuous.
• unoptimized25adj. Not optimized.
• unorganised13adj. Poorly organised, lacking the ability to organise.
• unorganized22adj. (of a territory) Lacking a normal system of government.
• unorthodoxy25n. Lack of orthodoxy; the quality or state of being unorthodox.
• unpaginated15adj. Not paginated.
• unpalatable15adj. Unpleasant to the taste.
• unpatriotic15adj. Not patriotic.
• unpatrolled14adj. Not patrolled.
• unperceived19adj. Not perceived.
• unperformed19adj. Not performed.
• unpermitted16adj. Not permitted; forbidden.
• unpersuaded15adj. Not persuaded.
• unperturbed16adj. Not perturbed.
• unpigmented17adj. Not pigmented.
• unpolarized23adj. Not polarized.
• unpolitical15adj. Not political.
• unpopulated16adj. Uninhabited, having no residents.
• unpractical17adj. Not practical, impractical.
• unpracticed18adj. Not practiced; inexperienced.
• unpredicted17adj. Not predicted.
• unpreserved17adj. Not preserved.
• unprintable15adj. Not printable; obscene, or unable to be displayed textually.
• unprocessed16adj. Not processed.
• unpromising16adj. Not promising.
• unprotected16adj. Not protected; lacking defence or protection; exposed.
• unpublished19adj. Not published.
• unqualified24adj. Not qualified: ineligible; unfit for a position or task.
• unravelling15n. The act of becoming unravelled.
• unreachable18adj. Unable to be reached; impossible to attain.
• unreadiness12n. A lack of readiness, or state of being unready.
• unrealistic13adj. Not realistic.
• unreasoning12adj. Lacking or without reason.
• unreceptive18adj. Not receptive.
• unrecovered17adj. Not recovered.
• unregulated13adj. Not regulated: not subject to any regulations.
• unrehearsed15adj. Not rehearsed.
• unrelatable13adj. Not relatable.
• unrelenting12adj. Not relenting; not yielding in strength, severity, or determination.
• unreligious12adj. Not religious.
• unremitting14adj. Incessant; never slackening.
• unremovable18adj. Unable to be removed.
• unrepentant13adj. Feeling or showing no sorrow or regret for wrongdoing.
• unrequested21adj. Not requested.
• unresisting12adj. Not resisting; compliant.
• unretouched17adj. That has not been retouched.
• unrevealing15adj. Not revealing.
• unrewarding16adj. Not providing reward or satisfaction.
• unrighteous15adj. Not righteous; wicked.
• unsatisfied15adj. Not satisfied, especially with the quantity of something; dissatisfied...
• unsaturated12adj. Not saturated; capable of dissolving more of a solute at the same...
• unscheduled18adj. Not scheduled; impromptu.
• unscholarly19adj. Not scholarly.
• unschooling17n. A set of educational philosophies which champion education outside the...
• unscratched19adj. Not scratched.
• unseaworthy20adj. Unfit for a sea voyage.
• unsegmented15adj. Not segmented.
• unselfishly20adv. In an unselfish manner.
• unshackling21n. The act of removing shackles; liberation.
• unsharpened17adj. Not sharpened.
• unsheathing18n. The removal of something from a sheath.
• unsheltered15adj. Without shelter; exposed.
• unsimulated14adj. Not simulated; real, authentic.
• unskippable21adj. That cannot be skipped.
• unsolicited14adj. Not requested; neither welcomed nor invited.
• unsoundness12n. The state of being unsound.
• unsparingly17adv. In an unsparing manner.
• unspeakable19adj. Incapable of being spoken or uttered.
• unspeakably22adv. In an unspeakable manner.
• unspecified19adj. Not specified; not thoroughly explained or detailed; not adequately...
• unspiritual13adj. Not spiritual; lacking metaphysical significance.
• unsponsored14adj. Nonsponsored.
• unstoppable17adj. Unable to be stopped.
• unstoppably20adv. In an unstoppable manner.
• unstretched17adj. Not stretched.
• unsubscribe17v. To cancel a subscription, especially to an online service.
• unsupported16adj. Without physical support.
• unsurpassed14adj. Not exceeded by others.
• unsurprised14adj. Not surprised.
• unsuspected16adj. Not suspected; not having raised suspicion.
• unsuspended15adj. Not suspended.
• unsweetened15adj. Not sweetened.
• untarnished15adj. Not tarnished.
• unteachable18adj. Not teachable.
• untelevised15adj. Not televised; not shown on television.
• unthinkable20adj. That cannot be believed.
• unthinkably23adv. In an unthinkable manner.
• untouchable18adj. Not able to be touched.
• untraceable15adj. Not able to be traced or tracked down.
• untradeable14adj. Not able to be traded.
• untrainable13adj. That cannot be trained.
• untrammeled16adj. Not limited or restricted; unrestrained; limitless.
• untreatable13adj. Not treatable; impossible to treat.
• unusualness11n. The condition or state of being unusual.
• unutterable13adj. Not utterable; incapable of being physically spoken or voiced...
• unutterably16adv. In an unutterable manner; inexpressibly; so bad or otherwise extreme...
• unvalidated16adj. Never having been validated.
• unvarnished18adj. Not having been coated with varnish.
• unwarranted15adj. Not warranted; being without warrant, authority, or guaranty...
• unwatchable21adj. That cannot be watched; that does not bear watching.
• unweathered18adj. Not weathered or seasoned.
• unwelcoming19adj. Lacking in hospitality, accessibility and cordiality.
• unwholesome19adj. Not wholesome; unfavorable to health; unhealthful.
• unwillingly18adv. In an unwilling or uncooperative manner.
• unwitnessed15adj. Not witnessed.
• unwittingly18adv. In an unwitting manner; inadvertently, obliviously, unintentionally...

UP

• upholstered17adj. Covered in or characterized by upholstery.
• upholsterer16n. One who upholsters furniture, especially a trained craftsman who does...
• uprightness17n. The state of being honest, honourable, and moral.
• upsettingly17adv. In an upsetting manner.

UR

• urodynamics19n. The (study of the) dynamics of the flow of urine through the urinary...

US

• uselessness11n. The state or quality of being useless.

UT

• utilisation11n. The act of using something.
• utilitarian11adj. Of or relating to utility.
• utilization20n. US, Canada, and Oxford British English standard spelling of utilisation.

Questions about these words

How many eleven-letter words that start with U are there?

Word.ws lists 343 eleven-letter words that start with U, plus 2,774 rare ones.

What are common eleven-letter words that start with U?

underground, unnecessary, unfortunate, uncertainty, unconscious, undoubtedly, undertaking and unavailable.

Which of the eleven-letter words that start with U has the highest letter score?

uncivilized scores 26 points with the standard letter tile values.

Related word lists

• 11-Letter Words
• Words That Start with U
• 10-Letter Words Starting with U
• 12-Letter Words Starting with U
• Q Words Without U