10-Letter Words Starting with U

All 423 ten-letter words that start with U: page 1 of 2

UB

• ubiquinone21n. Any of several isoprenyl quinones that have a role in cellular...
• ubiquitous21adj. Being everywhere at once: omnipresent.

UL

• ulceration12n. The development of an ulcer.
• ulcerative15adj. Composed of, or causing ulcers.
• ulipristal12n. A selective progesterone receptor modulator used in the acetate form...
• ultimately15adv. Indicating the last item.
• ultrabasic14adj. Ultramafic.
• ultralight14adj. Extremely light; weighing very little.
• ultramafic17adj. Describing igneous rocks that contain magnesium and iron and only a...
• ultrasharp15adj. Extremely or excessively sharp; rapier.
• ultrashort13adj. Very short.
• ultrasonic12adj. Beyond (higher in frequency than) the range of sound perceptible to the...
• ultrasound11n. Sound with a frequency greater than the upper limit of human hearing...

UM

• umbilicate16adj. Having a navel.

UN

• unabridged15adj. Of a book or document, not abridged, shortened, expurgated or...
• unabsorbed15adj. Not having been absorbed.
• unaccented15adj. Of a word's sound or of a language, without any stress (accent).
• unaccepted17adj. Not accepted; unacceptable.
• unadjusted19adj. Not adjusted, especially not altered to fit new or changed data or...
• unaffected19adj. Not affected or changed.
• unanalyzed23adj. Not analyzed; not tested or scrutinized.
• unanchored16adj. Not anchored; free or liberated.
• unanimated13adj. Inanimate.
• unanswered14adj. That has not been answered or addressed.
• unapproved18adj. Not approved.
• unarguable13adj. Not arguable; that cannot be reasonably argued against.
• unarguably16adv. Synonym of inarguably.
• unarmoured13adj. Without armour. Often used to describe people, things, or situations...
• unarranged12adj. Not arranged.
• unassigned12adj. Not assigned.
• unassisted11adj. Not assisted; without assistance.
• unassuming13adj. Modest and having no pretensions or ostentation.
• unathletic15adj. Not athletic; lacking in athleticism.
• unattached16adj. Not attached or joined; disconnected.
• unattended12adj. Not attended; without persons present.
• unattested11adj. Not supported by attestation; lacking supporting evidence in the form...
• unavailing14adj. Fruitless, futile, useless.
• unawakened18adj. Not awakened; sleeping; unconscious; unaware.
• unbalanced15adj. Not balanced, without equilibrium.
• unbaptized24adj. Not baptized.
• unbearable14adj. So unpleasant or painful as to be unendurable.
• unbearably17adv. In an unbearable manner, not bearably, in a way unable to be borne.
• unbeatable14adj. That cannot be beaten, defeated or overcome.
• unbecoming17adj. Not flattering, attractive or appropriate.
• unbeliever15n. One who does not believe, particularly in a deity (used by believers to...
• unbendable15adj. Not bendable.
• unbiasedly16adv. In an unbiased manner; without bias.
• unbiblical16adj. Not biblical; contrary to biblical teachings.
• unbirthday19n. A day that is not one's birthday but is celebrated as though it were.
• unbleached18adj. Not bleached.
• unblinking17adj. Not blinking.
• unblocking19n. The process by which something is unblocked.
• unblushing16adj. Not blushing.
• unbothered16adj. Not bothered, serene.
• unbranched18adj. Having no branches.
• unbuckling19n. The act of unfastening a buckle.
• unbudgeted15adj. Not allowed for in a budget.
• unbuffered19adj. That operates without a hardware or software buffer.
• unbundling14n. The process by which something is unbundled.
• unburdened14adj. Not burdened; without a burden.
• unburnable14adj. That is difficult or impossible to burn.
• unbuttoned13adj. Having the buttons undone.
• uncaptured15adj. Not captured.
• uncensored13adj. Unedited; not having had objectionable content removed.
• unchanging17adj. Remaining constantly unchanged.
• unchastity18n. The quality or state of being unchaste; lewdness; sexual impropriety.
• unchurched21adj. Who does not generally attend church.
• unclenched18adj. Not clenched.
• uncodified17adj. Not codified, not part of the code of law, not stated as part of a...
• uncoloured13adj. UK standard spelling of uncolored.
• uncombined17adj. Not combined with another.
• uncommonly19adv. To an uncommon degree; unusually or extremely.
• uncompress16v. To restore a compressed file to its normal size.
• unconfined16adj. Not confined; free from physical restraint.
• unconsumed15adj. Not consumed.
• uncoupling15n. The act by which persons or things are uncoupled.
• uncovering16n. The act by which something is uncovered.
• uncreative15adj. Deficient in or devoid of creativity and originality.
• uncredited14adj. Unacknowledged.
• uncritical14adj. Lacking critique or critical examination; undiscriminating.
• uncrossing13n. Movement out of a crossed position.
• uncultured13adj. Not cultured or civilized; lacking in delicacy or refinement...
• undeceived17adj. Not having been deceived.
• undeclared14adj. Not declared.
• undefeated15adj. Never defeated; always victorious.
• undefended16adj. Not defended.
• undeformed17adj. Not deformed.
• undeniable13adj. Irrefutable, or impossible to deny.
• undeniably16adv. In an undeniable manner, or to an undeniable extent.
• underbelly16n. The underside of an animal.
• underbrush16n. The small trees and other plants that clutter the floor of a forest.
• underclass13n. The poorest class of people in a given society.
• undercliff19n. A subordinate cliff on a shore, consisting of material that has fallen...
• undercount13v. To count to an insufficient degree; to count one thing...
• undercover16adj. Performed or happening in secret.
• undercroft16n. A cellar or vaulted storage room.
• underdrain12n. An underground drain or trench with openings through which the water...
• underdress12v. To dress in insufficiently warm clothes.
• underfloor14adj. Located beneath the floor.
• underframe16n. The supporting structure of a piece of furniture, a vehicle, etc.
• underglaze21n. A decorative slip applied to the surface of pottery before glazing.
• underlayer14n. A layer that is below another layer.
• underlying15adj. Lying underneath.
• underminer13n. One who undermines.
• undermount13adj. Mounted underneath something else.
• underneath14adv. Below; in a place beneath.
• underpants13n. Underwear covering the genitalia and often buttocks, usually going no...
• underprice15v. To set a price at less than the value or cost of an item.
• underrated12adj. Not given enough recognition for its quality.
• underscore13n. A line drawn or printed beneath text; the character _.
• undersexed19adj. Lacking sufficient sexual desire or activity; sexually unfulfilled...
• undershirt14n. An undergarment worn beneath a shirt, often collarless and sleeveless.
• undershoot14v. To shoot not far enough or not well enough.
• undersized21adj. Below the usual or expected size.
• underskirt15n. A skirt worn underneath another skirt; a petticoat.
• underslung12adj. Supported from above, as from the underside of a wing, etc.
• underspend14v. To spend too little of the funds appropriated or allocated.
• understand12v. To know the meaning of; to parse or have parsed correctly; to...
• understate11v. To state (something) with less completeness than needed; to minimise or...
• understeer11n. The condition in which the front wheels of a car fail to follow the...
• understood12adj. Having been comprehended.
• understory14n. A story of a building below the stories generally used for residence or...
• understudy15v. To study or know a role to such an extent as to be able to replace the...
• undertaker15n. A funeral director; someone whose business is to manage funerals...
• undervalue14v. To underestimate, or assign too low a value to (something or someone)...
• underwater14adj. Beneath the surface of the water; of or pertaining to the region...
• underwhelm19v. To fail to impress; to perform disappointingly.
• underwired15adj. Fitted with wiring or straps to provide better support for the breasts.
• underworld15n. The world of the dead, located underneath the world of the living; the...
• underwrite14v. To write below or under; subscribe.
• undeserved15adj. Not deserved, earned or merited; unjustifiable or unfair.
• undesigned13adj. Not designed, not intended.
• undetected14adj. Not found; undiscovered.
• undeterred12adj. Not deterred or put off; undiscouraged.
• undigested13adj. Not digested.
• undirected14adj. Not directed.
• undismayed17adj. Not dismayed; calm and undaunted.
• undisputed14adj. Universally agreed upon; not disputed.
• undogmatic16adj. Not dogmatic.
• undramatic15adj. Not dramatic; lacking in dramatic action.
• undressing12n. The act of removing somebody's clothes.
• undulating12adj. Moving up and down like waves; wavy.
• undulation11n. An instance or act of undulating.
• undulatory14adj. That undulates, or that causes undulations.
• unearthing14n. Something unearthed; a discovery.
• uneasiness10n. The state of being uneasy, nervous or restless.
• uneconomic16adj. Financially inefficient, costly, wasteful, or loss-making.
• unedifying18adj. Not edifying.
• uneducated14adj. Not educated.
• unemployed18adj. Having no job despite being able and willing to work.
• unenclosed13adj. Not enclosed.
• unendingly15adv. Without end; eternally; in an unending manner.
• unenforced16adj. Not enforced.
• unengaging13adj. Not engaging; dull.
• unenhanced16adj. Not enhanced.
• unenriched16adj. Not enriched.
• unenrolled11adj. Not enrolled.
• unenthused14adj. Not enthused.
• unenviable15adj. Difficult, undesirable, or unpleasant; not to be envied.
• unequalled20adj. Without equal; unmatched.
• unequipped24adj. Without equipment.
• unerringly14adv. Without making a mistake, perfectly, directly.
• unescorted13adj. Not escorted; without an escort.
• unevenness13n. The quality or characteristic of being uneven; irregularity...
• uneventful16adj. Monotonous; lacking significant or noteworthy events.
• unexamined20adj. That has not been examined.
• unexampled22adj. Lacking prior examples; unprecedented.
• unexcelled20adj. Excelling all others in some way.
• unexciting20adj. Not exciting.
• unexecuted20adj. Not executed; not performed or carried out.
• unexpanded21adj. Not expanded.
• unexpected22adj. Not expected, anticipated or foreseen.
• unexpended21adj. Not expended.
• unexploded21adj. Not exploded.
• unexplored20adj. Which has not been explored.
• unextended19adj. Not extended.
• unfairness13n. The state of being unfair; lack of justice.
• unfaithful19adj. Not having religious faith.
• unfamiliar15adj. Strange, not familiar.
• unfastened14adj. Not fastened.
• unfathomed19adj. Of unknown depth.
• unfeasible15adj. Infeasible: not feasible.
• unfeasibly18adv. In an unfeasible manner; not feasibly; to a degree that is impossible...
• unfeminine15adj. Not feminine; not characteristic of, typical of, or appropriate for a...
• unfettered14adj. Not bound by chains or shackles.
• unfilmable17adj. Not suitable or able to be filmed.
• unfiltered14adj. Without a filter (e.g., a cigarette).
• unfindable16adj. Not findable; that cannot be found.
• unfinished17adj. Not completed; unresolved.
• unflagging16adj. Never tiring or lacking energy; without rest; without slowing.
• unflavored17adj. Not flavored; having no flavor.
• unfoldment16n. Unfolding.
• unfollowed17adj. Not followed.
• unforeseen13adj. Not foreseen.
• unforgiven17adj. Not forgiven.
• unfreezing23n. The process of something being unfrozen.
• unfriended15adj. Having no friends; friendless.
• unfriendly17adj. Not friendly; hostile; mean.
• unfruitful16adj. Not bearing fruit.
• ungenerous11adj. Not generous; stingy.
• ungoverned15adj. Lacking a government.
• ungracious13adj. Not gracious; unkind or cold-hearted.
• ungrateful14adj. Not grateful; not expressing gratitude.
• ungrounded13adj. Not grounded; without ground or basis, unreal, false.
• unhackable21adj. Not hackable; that cannot be hacked or broken into.
• unhallowed17adj. Not hallowed or blessed; unholy.
• unhampered18adj. Not hampered.
• unhardened15adj. Not hardened; still soft.
• unheralded15adj. Without prior warning; unexpected or unannounced.
• unhindered15adj. Not hindered, slowed, blocked or hampered.
• unhittable15adj. Impossible to hit.
• unholiness13n. The state of being unholy.
• unhygienic19adj. Lacking hygiene; unclean.
• uniaxially20adv. In a uniaxial manner.
• unicameral14adj. Of, or having, a single legislative chamber.
• unicycling18n. The practise or activity of riding a unicycle.
• unicyclist17n. A person who rides a unicycle.
• uniformity18n. The quality or state of having the same characteristics or form as...
• unilateral10adj. Done by one side only.
• unilingual11adj. Knowing or using a single language.
• unilocular12adj. Having a single locule or loculus (chamber, cell, or compartment).
• unimagined14adj. That has not been imagined.
• unimodular13adj. Having a determinant of 1 or -1.
• unimpaired15adj. Not impaired.
• unimposing15adj. Not imposing; not grand or magnificent; modest.
• unimproved18adj. Mot tilled, built on, or otherwise improved for use.
• unindicted14adj. Not having been indicted in a particular case.
• uninfected16adj. Not infected.
• uninflated14adj. Not inflated.
• uninformed16adj. Not informed; ignorant.
• uninspired13adj. Lacking inspiration; dull or dry.
• unintended12adj. Not intended; unplanned.
• uninvested14adj. Not invested.
• uninviting14adj. Not inviting, not attractive, not welcoming.
• uninvolved17adj. Not involved.
• uniqueness19n. The state or quality of being unique or one of a kind.
• univariate13adj. Having or involving a single variable.
• university16n. An institution of higher education that provides facilities for...
• unkillable16adj. Not killable; unable to be killed.
• unkindness15n. The state or quality of being unkind.
• unknotting15n. The act of untying a knot.
• unknowable19adj. Not knowable; not able to be known.
• unlabelled13adj. UK standard spelling of unlabeled.
• unladylike18adj. Not ladylike; ill-mannered.
• unlamented13adj. Not lamented.
• unlatching16n. The act of unfastening a latch.
• unlawfully19adv. In a manner not conforming to the law.
• unlearning11n. The process by which something is unlearned.
• unleashing14n. The act by which something is unleashed.
• unleavened14adj. Without any yeast or other raising agent.
• unlettered11adj. Not instructed in letters; not educated, not well-read; unable to read.
• unlicensed13adj. Not licensed; not officially authorized.
• unlockable18adj. Not capable of being locked.
• unmanifest15adj. Not manifest.
• unmannered13adj. Having poor manners or social skills; ill-mannered; rude.
• unmannerly15adj. Not mannerly (“polite; having good manners”).
• unmastered13adj. Not mastered (in various senses).
• unmeasured13adj. Not having been measured.
• unmediated14adj. Not mediated.
• unmerciful17adj. Not showing mercy.
• unmilitary15adj. Not military.
• unmissable14adj. Not to be missed; thoroughly worth seeing or experiencing.
• unmodified17adj. Not modified.
• unmolested13adj. Not bothered, disturbed, or attacked.
• unmoveable17adj. Not able to be moved; immobile.
• unnameable14adj. That cannot, or should not, be named.
• unneutered11adj. Not neutered.
• unnumbered15adj. Not identified with a number.
• unobscured15adj. Not obscured.
• unobserved16adj. Not seen or observed.
• unoccupied17adj. Not inhabited, especially by a tenant.
• unofficial18adj. Not officially established.
• unordinary14adj. Not ordinary.
• unoriginal11adj. Lacking originality.
• unorthodox21adj. Unusual, unconventional, or idiosyncratic.
• unpackaged20adj. Not packaged.
• unpassable14adj. Not able to be passed.
• unpatented13adj. Not patented.
• unphysical20adj. Not physical.
• unpickable20adj. That cannot be picked.
• unplayable17adj. That cannot be played, that is too hard too play.
• unpleasant12adj. Not pleasant.
• unpleasing13adj. Not pleasing; unpleasant.
• unplugging15n. The removal of a plug.
• unpolished16adj. Not polished; not brought to a polish.
• unpolluted13adj. Not polluted; uncontaminated.
• unprepared15adj. Not prepared; caught by surprise.
• unproduced16adj. Not having been produced.
• unpromoted15adj. Not promoted.
• unprompted17adj. Not prompted; not urged or instigated; spontaneous.
• unprovable17adj. That cannot be proved or verified by any test.
• unprovided17adj. Not provided; not supplied or equipped; unprepared.
• unprovoked20adj. Happening without provocation.
• unpunctual14adj. Not punctual.
• unpunished16adj. Not punished.
• unpurified16adj. Not purified; impure.
• unquenched25adj. Not quenched.
• unratified14adj. Not ratified.
• unreactive15adj. Not reactive; relatively inert.
• unreadable13adj. Not written clearly enough to be deciphered.
• unrealized20adj. Not realized; possible to obtain or achieve, yet not obtained or...
• unreasoned11adj. Not reasoned; irrational.
• unrecorded14adj. Not recorded.
• unredacted14adj. Not redacted; uncensored.
• unredeemed14adj. Not redeemed; not granted redemption or salvation; unsaved.
• unreformed16adj. Not reformed.
• unregarded13adj. Not regarded; unnoticed.
• unregister11v. To undo the process of registration for.
• unreleased11adj. Not released.
• unreliable12adj. Not reliable.
• unreliably15adv. In an unreliable manner.
• unrelieved14adj. Utter; complete; without relief.
• unremarked17adj. Not the subject of any remark.
• unrendered12adj. Not rendered.
• unrepaired13adj. Not repaired.
• unrepeated13adj. Not having been repeated.
• unrepented13adj. Not repented of.
• unreported13adj. Not reported.
• unrequired20adj. Not required.
• unrequited20adj. Not returned; not reciprocated; not repaid.
• unreserved14adj. Not reserved: not otherwise or already committed.
• unresolved14adj. For which no solution has been found.
• unrestored11adj. Not having been restored.
• unreturned11adj. Not returned; unrequited; not reciprocated.
• unrevealed14adj. Not revealed; hidden; secret.
• unreviewed17adj. Not reviewed.
• unrewarded15adj. Not rewarded.
• unrivalled14adj. UK standard spelling of unrivaled.
• unromantic14adj. Not romantic.
• unruliness10n. The state of being unruly.
• unruptured13adj. Not having ruptured yet.
• unsalaried11adj. Without a salary.
• unsaleable12adj. Not sellable.
• unsanitary13adj. Not sanitary; unhealthy; dirty.
• unscalable14adj. Not scalable, that cannot be climbed.
• unschooled16adj. Not schooled; not having been to school.
• unscramble16v. To reverse the process of scrambling, decrypt.
• unscreened13adj. Not screened, or not having been screened.
• unscrewing16n. The act by which something is unscrewed.
• unscripted15adj. Not scripted; without a script.
• unsearched16adj. Not having been searched.
• unseasonal10adj. Not normal, appropriate, or expected for the season or time of year.
• unseasoned11adj. Not sprinkled with seasoning.
• unselected13adj. Not selected.
• unsellable12adj. Not sellable; very hard to sell.
• unserviced16adj. Not serviced.
• unsettling11adj. That makes one troubled or uneasy; disquieting or distressing.
• unshackled20adj. Not shackled.
• unshakable19adj. Not able to be shaken; firm, solid.
• unshakably22adv. In an unshakable manner.
• unsheathed17adj. Not protected by a sheath.
• unshielded15adj. Not shielded.
• unsinkable16adj. That cannot be sunk.
• unskillful17adj. Not skillful.
• unsleeping13adj. Not sleeping.
• unsociable14adj. Not desiring the company of others.
• unsolvable15adj. Not solvable.
• unsporting13adj. Unfair, or not sportsmanlike.
• unsteadily14adv. In an unsteady manner, so as to shake or falter.
• unsticking17n. The act of removing something that was stuck.
• unstinting11adj. Generous and tireless with one's contributions of money, time, etc.
• unstitched16adj. Not stitched.
• unstrained11adj. Not strained or tense.
• unstrapped15adj. Not strapped.
• unstressed11adj. Not stressed or accentuated.
• unsuitable12adj. Not suitable.
• unsuitably15adv. In an unsuitable manner.
• unsurfaced16adj. Not having a tar macadam (asphalt) or other paved surface; unpaved.
• unsurveyed17adj. Not surveyed; unexplored.
• unswerving17adj. Not deviating; not yielding or straying or varying.
• untalented11adj. Not talented; lacking in talent.
• untameable14adj. Incapable of being controlled, subdued, or tamed.
• untampered15adj. Not tampered with.
• untangling12n. The process by which something is untangled.
• untargeted12adj. Not targeted.
• untempered15adj. Not tempered; not conditioned by a process.
• untenanted11adj. Not leased to or occupied by a tenant; unoccupied.
• untestable12adj. That cannot be tested; unverifiable.
• untethered14adj. Not tethered; not tied down.
• unthankful20adj. Not thankful; ungrateful.
• unthinking18adj. Without proper thought; thoughtless.
• untidiness11n. The quality of being untidy.
• untiringly14adv. In an untiring manner.
• untraveled14adj. Bearing few travellers.
• untroubled13adj. Without worries; free from care.
• untrusting11adj. Without trust; not inclined to trust.
• untruthful16adj. Not giving the truth; providing untrue facts; lying.
• untwisting14n. The process by which something is untwisted.
• unutilized20adj. Not utilized; unused.
• unverified17adj. Not yet confirmed; not verified.
• unwavering17adj. Always on course and steady.
• unwearable15adj. Not able to be worn.
• unweighted18adj. Not weighted (used especially of an average or other statistic).
• unwelcomed18adj. Not having been welcomed.
• unwinnable15adj. Unable to be won.
• unworkable19adj. Not operable; not practical; unmanageable.
• unworthily19adv. In an unworthy manner.
• unwrapping18n. The act or process by which something is unwrapped.
• unwrinkled18adj. Without wrinkles.
• unyielding15adj. Not giving in; not bending; stubborn.

Questions about these words

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

Word.ws lists 423 ten-letter words that start with U, plus 2,841 rare ones.

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

university, understand, understood, ultimately, unexpected, underlying, underneath and underwater.

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

unquenched scores 25 points with the standard letter tile values.

Related word lists

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