Word.ws English Dictionary

Words That Start with U

There are 2,679 words that start with U on Word.ws, from 2 to 15 letters. The most common length is 10 letters (423 words). The words used most often are up, us, use, used and under.

Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.

2-letter words that start with U

  • ug3n. A surfeit.
  • uh5interj. Expression of thought, confusion, or uncertainty.
  • um4interj. Expression of hesitation, uncertainty or space filler in conversation.
  • up4adv. Away from the surface of the Earth or other planet; in opposite...
  • ur2interj. Expressing hesitation or inarticulacy; er, um.
  • us2pron. Me and at least one other person, excluding the person(s) being...
  • ut2n. Syllable (formerly) used in solfège to represent the first note of a...

3-letter words that start with U

  • ube5n. The purple yam, Dioscorea alata.
  • uce5n. (chiefly among Samoan-Americans) Brother (a male comrade or friend)....
  • udo4n. Japanese spikenard, particularly the cooked shoots used as food.
  • udu4n. A jug-shaped percussion instrument of Igbo origin.
  • ufo6n. A UFO.
  • ugg5n. Ugg boot.
  • ugh7interj. Used to express repugnance, disgust, or annoyance.
  • uji10n. A Japanese clan or kin group of the Kofun period.
  • uke7n. The training partner against whom tori performs a move.
  • ule3n. A Mexican and Central American tree (Castilla elastica), related to the...
  • ulp5interj. The sound of a person gulping in fear.
  • ult3n. The final (ultimate) syllable of a word.
  • ulu3n. An all-purpose knife traditionally used by Yup'ik, Inuit, and Aleut...
  • ume5n. Chinese plum, a species of Asian plum, Prunus mume.
  • ump7n. An umpire.
  • umu5n. An earth oven used in New Zealand, Samoa, and other Pacific islands...
  • unc5n. A phenotype of Caenorhabditis elegans that moves in an uncoordinated...
  • und4n. A billow- or wave-like marking.
  • uni3n. Sea urchin eaten as sushi.
  • uno3interj. A term said when the number of cards in player’s hand is reduced to...
  • upo5n. Lagenaria siceraria; a vine grown for its fruit.
  • ure3n. Use, practise, exercise.
  • urf6n. The customs of an Arab society, used in jurisprudence when the Qur'an...
  • urn3n. A vase with a footed base.
  • uro3n. A small, irregularly-shaped wound made in the trunk of a bonsai tree...
  • urp5interj. The sound of a burp.
  • urs3n. The anniversary of the death of a Sufi saint, celebrated with music and...
  • use3n. The act of using.
  • ush6v. To usher: to perform the action of an usher: to escort.
  • uta3n. Cutaneous leishmaniasis.
  • ute3n. A small vehicle based on the same platform as a family car but with a...
  • utu3n. Compensation for a wrong suffered; reciprocal exchange or payment...
  • utz12v. To prod; goad; push someone's buttons.
  • uva6n. Grape, raisin, grape-like fruit.
  • uzi12n. A type of compact submachine gun, having a caliber of 9 millimeters...

4-letter words that start with U

  • uber6adj. Super; high-level; high-ranking.
  • udal5adj. Allodial, inalienable.
  • udon5n. A Japanese wheat noodle.
  • ugly8adj. Displeasing to the eye; aesthetically unpleasing.
  • ulna4n. The bone of the forearm that extends from the elbow to the wrist on the...
  • ulus4n. An administrative division of the Sakha Republic (Yakutia), Russia...
  • ulva7n. Any organism of the genus Ulva.
  • umbo8n. The boss of a shield, at or near the middle and usually projecting...
  • unai4n. A two-toed sloth (Choloepus spp.).
  • unal4adj. Single, based on the number one.
  • unbe6v. To deprive (someone or something) of being; to make nonexistent.
  • unca6n. Uncle (especially as a term of address).
  • unco6adj. Strange, weird.
  • undo5v. To reverse the effects of an action.
  • unga5n. Sarotherodon linnellii, a cichlid endemic to Lake Barombi Mbo in...
  • ungh8interj. Used for emotional emphasis, usually in funk music.
  • unio4n. Any of the genus Unio of freshwater mussels.
  • unit4n. Oneness, singularity, seen as a component of a whole number; a...
  • univ7n. University.
  • unto4conj. Up to the time or degree that; until.
  • updo7n. A woman's hairdo in which most hair is kept above the neck.
  • upma8n. An Indian porridge of dry roasted semolina or coarse rice flour, often...
  • upon6prep. Alternative to on in most, though not all, prepositional uses.
  • uppy11adj. Synonym of uppity.
  • urad5n. Vigna mungo, a South Asian bean used to make dal.
  • urbs6n. A walled city in Ancient Rome.
  • urea4n. A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of...
  • urge5n. A strong desire to do something.
  • uric6adj. Pertaining to, contained in, or obtained from urine.
  • urna4n. A spiral or circular dot placed on the forehead of Buddhist images as...
  • urus4n. The aurochs.
  • used5v. In used to.
  • user4n. One who uses or makes use of something, a consumer or client or an...
  • uses4n. A form of equitable ownership peculiar to English law, by which one...
  • usus4n. The use of something.
  • utas4n. The octave, or seventh day after a festival (i.e., the eighth day...
  • util4n. A hypothetical unit measuring satisfaction.
  • utis4n. A racket, din.
  • uvea7n. The middle of the three concentric layers that make up the eye; it is...
  • uvic9adj. Only used in uvic acid.

All 50 4-letter words that start with U

5-letter words that start with U

  • udder7n. An organ formed of the mammary glands of female quadruped mammals...
  • uhuru8n. Freedom.
  • ulama7n. A modern ball game descended from tlachtli.
  • ulcer7n. An open sore of the skin, eyes or mucous membrane, often caused by an...
  • ulnar5adj. Of or pertaining to the ulna, or the elbow.
  • ultra5adj. Extreme; far beyond the norm; fanatical; uncompromising.
  • umami9n. One of the five basic tastes, the savory taste of foods such as...
  • umber9n. A brown clay, somewhat darker than ochre, which contains iron and...
  • umbra9n. The fully shaded inner region of a shadow cast by an opaque object.
  • ummah12n. The worldwide Muslim community.
  • umrah10n. A minor hajj, a lesser pilgrimage to Mecca, other than at the time of...
  • uncle7n. The brother or brother-in-law of one’s parent.
  • uncut7adj. Not cut.
  • under6prep. Beneath; below; at or to the bottom of, or the area covered or...
  • undue6adj. Excessive; going beyond that what is natural or sufficient.
  • unfit8adj. Not fit; not having the correct requirements.
  • unify11v. Cause to become one; make into a unit; consolidate; merge; combine.
  • union5n. The act of uniting or joining two or more things into one.
  • unite5v. To bring together as one.
  • unity8n. Oneness: the state or fact of being one undivided entity.
  • unlit5adj. Not lit.
  • unmet7adj. Not achieved; unfulfilled.
  • unsee5v. To undo the act of seeing something; to erase the memory of having seen...
  • untie5v. To loosen, as something interlaced or knotted; to disengage the parts...
  • until5prep. Up to the time of (something happening); pending.
  • unwed9adj. Not married.
  • unzip16v. To open something using a zipper.
  • upend8v. To end up; to set on end.
  • upper9adj. At a higher physical position, level, rank or order.
  • upset7adj. Angry, distressed, or unhappy.
  • urban7adj. Of, pertaining to, characteristic of, or happening or located in, a...
  • urged7adj. Having an urge to do something.
  • urine5n. Liquid waste consisting of water, salts, and urea, which is made in the...
  • usage6n. A custom or established practice.
  • usher8n. A person, in a church, cinema etc., who escorts people to their seats.
  • using6n. Use; utilization.
  • usual5adj. Most commonly occurring; typical.
  • usurp7v. To seize and hold or use (powers, an office, a coat of arms, a right or...
  • usury8n. An exorbitant rate of interest, in excess of any legal rates or at...
  • utter5adj. To the furthest or most extreme extent; absolute, complete, total...

All 89 5-letter words that start with U

6-letter words that start with U

  • ulster6n. A long, loose overcoat made of wool or other rough material, often...
  • umpire10n. An official who presides over a sports match.
  • unable8adj. Not able; lacking a certain ability.
  • unborn8adj. Not yet born; yet to come; future.
  • undone7adj. Not done.
  • uneasy9adj. Restless; disturbed by pain, anxiety.
  • uneven9adj. Of a surface, not even; covered with raised spots, pits and grooves.
  • unfair9adj. Not just.
  • unfold10v. To undo a folding.
  • unique15adj. Being the only one of its kind; unequaled, unparalleled or unmatched.
  • united7adj. Joined into a single entity.
  • unjust13adj. Not fair, just or right.
  • unless6conj. Except on a specified condition; if not.
  • unlike10adj. Not like; dissimilar (to); having no resemblance; unalike.
  • unlock12v. To undo or open a lock or something locked by, for example, turning a...
  • unpaid9adj. Not paid for.
  • unreal6adj. Not real or substantial; having no actual presence in reality; lacking...
  • unrest6n. A state of trouble, confusion and turbulence, especially in a political...
  • unsafe9adj. Not safe (various senses); dangerous.
  • unseen6adj. Not seen or discovered; invisible.
  • unsure6adj. Uncertain, ambivalent.
  • untold7adj. Not told; not related; not revealed; secret.
  • untrue6adj. False; not true.
  • unused7adj. Not used.
  • upbeat10adj. Having a fast pace, tempo, or beat.
  • update9n. An additional piece of information, an addition to existing information.
  • uphill11adv. Up a slope, towards higher ground.
  • uphold12v. To hold up; to lift on high; to elevate.
  • upload9v. To transfer data to a computer on a network, especially to a server on...
  • upside9n. The highest or uppermost side or portion of something.
  • uptake12n. Understanding; comprehension.
  • uptown11n. The residential part of a city, which is usually away from the central...
  • upward12adv. In a direction from lower to higher; toward a higher place; in a course...
  • urgent7adj. Requiring immediate attention.
  • urging8adj. Urgent.
  • usable8adj. Capable of being used.
  • useful9adj. Having a practical or beneficial use.
  • uterus6n. A reproductive organ of therian mammals in which the young are...
  • utmost8adj. The most extreme; greatest, ultimate.
  • utopia8n. A world in which everything and everyone works in perfect harmony.

All 189 6-letter words that start with U

7-letter words that start with U

  • unarmed10adj. Defenceless and lacking weapons.
  • unaware10adj. Not aware or informed; lacking knowledge; unmindful.
  • uncanny12adj. Strange, and mysteriously unsettling (as if supernatural); weird.
  • unclean9adj. Dirty, soiled or foul.
  • unclear9adj. Ambiguous; liable to more than one interpretation.
  • uncover12v. To remove a cover from.
  • undated9adj. Not marked with a date.
  • undergo9v. To experience; to pass through a phase.
  • undoing9n. The act of loosening or unfastening.
  • unequal16adj. Not the same.
  • unhappy17adj. Not happy; sad.
  • unheard11adj. Not heard.
  • unicorn9n. A mythical, horselike creature with a horn on its forehead, supposed to...
  • unified11adj. United into a whole.
  • uniform12adj. Unvarying; all the same.
  • unitary10adj. Having the quality of oneness.
  • uniting8n. The act by which things are united; the formation of a union.
  • unknown14adj. Not known; unidentified; not well known.
  • unleash10v. To free from a leash, or as from a leash.
  • unlucky16adj. Unfortunate, marked by misfortune.
  • unnamed10adj. Not having a name.
  • unravel10v. To cause (something) to no longer be ravelled or tangled; to...
  • unusual7adj. Not usual, out of the ordinary.
  • updated11adj. Up-to-date.
  • upfront12adj. Honest, frank and straightforward.
  • upgrade11n. An upward grade or slope.
  • upright13adj. Vertical; erect.
  • upscale11adj. Expensive and designed to appeal to affluent consumers.
  • upstate9n. The northern section of a state.
  • upwards13adv. Towards a (higher) position closer to the sky than the ground.
  • uranium9n. The element with atomic number 92 and symbol U. A radioactive...
  • urgency13n. The quality or condition of being urgent.
  • urinary10adj. Of, relating to, occuring in, or affecting urine, its production...
  • useless7adj. Without use or the possibility to be used.
  • usually10adv. Most of the time; less than always, but more than occasionally.
  • uterine7adj. Of or pertaining to the uterus.
  • utility10n. The state or condition of being useful; usefulness.
  • utilize16v. US, Canada, and Oxford British English standard spelling of utilise.
  • utopian9adj. Of or pertaining to or resembling a utopia.
  • utterly10adv. Completely; entirely; to the fullest extent.

All 210 7-letter words that start with U

8-letter words that start with U

  • ultimate10adj. Final; last in a series.
  • umbrella12n. A cloth-covered frame used for protection against rain or sun.
  • unbeaten10adj. Not having been thrashed or beaten.
  • unbiased11adj. Not biased.
  • unbroken14adj. Whole, not divided into parts.
  • uncommon14adj. Rare; not readily found; unusual.
  • underage10adj. Below the legal age (usually age 18 or 21) for some activity, such as...
  • underdog11n. A competitor thought unlikely to win.
  • underway15adv. In motion, in progress; being done or carried out; on a journey.
  • unfairly14adv. In a manner that is unfair.
  • unfolded13adj. Not folded.
  • unifying15adj. Tending to unify; promoting unity; uniting.
  • unionist8adj. Of or pertaining to unionism (in any sense).
  • uniquely20adv. In a unique manner.
  • universe11n. The sum of everything that exists in the cosmos.
  • unlawful14adj. Prohibited; not permitted by law (either civil or criminal law; see...
  • unlikely15adj. Not likely; improbable; not to be reasonably expected.
  • unloaded10adj. Not loaded (in various senses).
  • unlocked15adj. Not secured or protected by an engaged lock.
  • unmanned11adj. Not operated by a person or a crew.
  • unmarked15adj. Not bearing identification.
  • unsigned10adj. Not accepting negative numbers; having only a positive value (or zero).
  • unsolved12adj. Not yet solved.
  • unspoken14adj. Not spoken; not said.
  • unstable10adj. Not stable.
  • untitled9adj. Having no title.
  • unveiled12adj. Not wearing, or not covered by, a veil.
  • unwanted12adj. Not wanted; unwelcome.
  • unworthy17adj. Not worthy; lacking value or merit; worthless.
  • upcoming15adj. Happening or appearing in the relatively near future.
  • updating12n. The act by which something is updated.
  • upgraded13adj. Having had an upgrade; having been improved or enhanced.
  • upheaval16n. The process of being heaved upward, especially the raising of part of...
  • uploaded12adj. Having been uploaded; having been digitally sent from one's computer to...
  • uprising11n. A popular revolt that attempts to overthrow a government or its...
  • upstairs10adj. Located on a higher floor or level of a building.
  • upstream12adj. In a direction against the flow of a current or stream of fluid...
  • urgently12adv. With great haste, with a sense of urgency, because it is very important.
  • username10n. A name or string of characters used as a person's identification on an...
  • utilized18adj. Being used.

All 349 8-letter words that start with U

9-letter words that start with U

  • ultimatum13n. A final statement of terms or conditions made by one party to another...
  • unanimous11adj. Based on unanimity, assent or agreement.
  • uncertain11adj. Not certain; unsure.
  • unchanged16adj. Not changed or altered; remaining in an original state.
  • uncharted15adj. Not surveyed or mapped.
  • uncovered15adj. Not covered or protected from the weather, etc.
  • undecided14adj. Open and not yet settled or determined.
  • undermine12v. To dig underneath (something), to make a passage for destructive or...
  • underside11n. The side that is below or underneath, the bottom.
  • undertake14v. To take upon oneself; to start, to embark on.
  • underwear13n. Clothes worn next to the skin, underneath outer clothing.
  • underwood14n. Underbrush, undergrowth.
  • unearthed13adj. Not electrically earthed.
  • unethical14adj. Breaching the established standards of conduct or behavior within a...
  • unfolding14n. The process by which something unfolds or becomes revealed.
  • unfounded14adj. Having no strong foundation; not based on solid reasons or facts.
  • unhealthy18adj. Characterized by, or conducive to poor health.
  • uniformed15adj. Dressed in a uniform.
  • uniformly17adv. In a uniform manner, consistently.
  • uninsured10adj. Not insured; not having insurance.
  • universal12adj. Of or pertaining to the universe.
  • unleashed13adj. Not leashed; without a leash on it.
  • unlimited12adj. Limitless or without bounds; unrestricted.
  • unloading11n. The act by which something is unloaded.
  • unmarried12adj. Having no husband or wife.
  • unnatural9adj. Not natural.
  • unnoticed12adj. Not noticed.
  • unpopular13adj. Lacking popularity.
  • unrelated10adj. Not connected or associated.
  • unsettled10adj. Disturbed, upset.
  • untouched15adj. Remaining in its original, pristine state, undamaged; not altered.
  • untreated10adj. Not treated.
  • unusually12adv. In an unusual manner.
  • unveiling13n. The act of unveiling or uncovering.
  • unwilling13adj. Not willing; reluctant.
  • upgrading14n. The process by which something is upgraded.
  • upholding16n. The act by which something is upheld.
  • uplifting15adj. Improving the mood; causing cheerfulness.
  • uploading13n. The process by which something is uploaded.
  • upsetting12n. An overturning or disarrangement.

All 387 9-letter words that start with U

10-letter words that start with U

  • ubiquitous21adj. Being everywhere at once: omnipresent.
  • ultimately15adv. Indicating the last item.
  • ultrasound11n. Sound with a frequency greater than the upper limit of human hearing...
  • unaffected19adj. Not affected or changed.
  • unanswered14adj. That has not been answered or addressed.
  • unattended12adj. Not attended; without persons present.
  • unbalanced15adj. Not balanced, without equilibrium.
  • unbearable14adj. So unpleasant or painful as to be unendurable.
  • unbeatable14adj. That cannot be beaten, defeated or overcome.
  • undefeated15adj. Never defeated; always victorious.
  • undeniable13adj. Irrefutable, or impossible to deny.
  • undercover16adj. Performed or happening in secret.
  • underlying15adj. Lying underneath.
  • underneath14adv. Below; in a place beneath.
  • underrated12adj. Not given enough recognition for its quality.
  • understand12v. To know the meaning of; to parse or have parsed correctly; to...
  • understood12adj. Having been comprehended.
  • underwater14adj. Beneath the surface of the water; of or pertaining to the region...
  • underworld15n. The world of the dead, located underneath the world of the living; the...
  • undisputed14adj. Universally agreed upon; not disputed.
  • uneducated14adj. Not educated.
  • unemployed18adj. Having no job despite being able and willing to work.
  • unexpected22adj. Not expected, anticipated or foreseen.
  • unfamiliar15adj. Strange, not familiar.
  • unfinished17adj. Not completed; unresolved.
  • ungrateful14adj. Not grateful; not expressing gratitude.
  • unilateral10adj. Done by one side only.
  • unintended12adj. Not intended; unplanned.
  • uniqueness19n. The state or quality of being unique or one of a kind.
  • university16n. An institution of higher education that provides facilities for...
  • unofficial18adj. Not officially established.
  • unpleasant12adj. Not pleasant.
  • unprepared15adj. Not prepared; caught by surprise.
  • unreleased11adj. Not released.
  • unreliable12adj. Not reliable.
  • unresolved14adj. For which no solution has been found.
  • unsettling11adj. That makes one troubled or uneasy; disquieting or distressing.
  • unsuitable12adj. Not suitable.
  • upbringing16n. The traits acquired during one's childhood training.
  • usefulness13n. The quality or degree of being useful.

All 423 10-letter words that start with U

11-letter words that start with U

  • ultraviolet14adj. Of electromagnetic radiation beyond (higher in frequency than) light...
  • unanimously16adv. In a unanimous manner; without objection.
  • unannounced14adj. Not announced beforehand.
  • unavailable16adj. Not available.
  • unavoidable17adj. Impossible to avoid; bound to happen.
  • unbreakable19adj. Difficult or impossible to break and therefore able to withstand rough...
  • uncertainty16n. Doubt; the condition of being uncertain or without conviction.
  • unconfirmed19adj. Not finally established, settled or confirmed.
  • unconscious15adj. Not awake; having no awareness (usually as the result of a head injury).
  • underground14adj. Below the ground; below the surface of the Earth.
  • undermining15n. The act or process by which something is undermined.
  • understated13adj. Restrained and unpretentious.
  • undertaking17n. The business of an undertaker, or the management of funerals.
  • undesirable14adj. Not desirable, objectionable or not likely to please.
  • undeveloped18adj. Not developed or used.
  • undisclosed15adj. Kept secret.
  • undoubtedly18adv. Without doubt; definitely.
  • unexplained21adj. Not explained; of unknown cause or origin.
  • unfortunate14adj. Not favored by fortune.
  • unhappiness18n. The feeling of not being happy.
  • unification16n. The act or process of unifying.
  • unimportant15adj. Petty; not important or noteworthy.
  • universally17adv. In a universal manner.
  • unknowingly22adv. Without awareness, without intent.
  • unnecessary16adj. Not needed or necessary.
  • unprotected16adj. Not protected; lacking defence or protection; exposed.
  • unpublished19adj. Not published.
  • unqualified24adj. Not qualified: ineligible; unfit for a position or task.
  • unrealistic13adj. Not realistic.
  • unregulated13adj. Not regulated: not subject to any regulations.
  • unsolicited14adj. Not requested; neither welcomed nor invited.
  • unspeakable19adj. Incapable of being spoken or uttered.
  • unspecified19adj. Not specified; not thoroughly explained or detailed; not adequately...
  • unstoppable17adj. Unable to be stopped.
  • unthinkable20adj. That cannot be believed.
  • untouchable18adj. Not able to be touched.
  • unwarranted15adj. Not warranted; being without warrant, authority, or guaranty...
  • unwittingly18adv. In an unwitting manner; inadvertently, obliviously, unintentionally...
  • utilitarian11adj. Of or relating to utility.
  • utilization20n. US, Canada, and Oxford British English standard spelling of utilisation.

All 343 11-letter words that start with U

12-letter words that start with U

All 274 12-letter words that start with U

13-letter words that start with U

All 171 13-letter words that start with U

14-letter words that start with U

All 99 14-letter words that start with U

15-letter words that start with U

All 53 15-letter words that start with U

18,696 rare words that start with U

The first 300 are shown.

Questions about these words

How many words that start with U are there?
Word.ws lists 2,679 words that start with U, plus 18,696 rare ones.
What are common words that start with U?
up, us, use, used, under, until, united and using.
Which of the words that start with U has the highest letter score?
ursodeoxycholic scores 33 points with the standard letter tile values.

Related word lists

Source and license

Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.

Cite this page: “Words That Start with U: 2,679 Words by Length.” Word.ws, https://word.ws/words/starting-with-u. Based on Wiktionary, CC BY-SA 4.0.