English words: ultrastrict to umbrellabird

300 English words, part 6 of 88 of the words starting with U, A to Z. 22 have a page of their own.

English words ultrastrict to umbrellabird

ultrastrict adjective: Very strict.
ultrastrong adjective: extremely strong.
ultrastrongly adverb: In an ultrastrong manner
ultrastructural adjective: Of or pertaining to ultrastructure.
ultrastructurally adverb: In an ultrastructural manner.
ultrastructure noun: The fine, detailed structure of a biological specimen that can only be observed by electron microscopy
ultrastructured adjective: Having an ultrastructure.
ultrasubtle adjective: extremely subtle
Ultrasuede noun: A kind of washable synthetic suede.
ultrasupernatant noun: The supernatant produced by ultracentrifugation
ultrasuperovulation noun: An extreme level of ovulation
ultrasweet adjective: Extremely sweet (in taste).
ultraswift adjective /ˈʌltɹəswɪft/: Extraordinarily swift; of utmost swiftness.
ultrasynaptic adjective: Synonym of extrasynaptic.
ultrasystematic adjective: Extremely systematic.
ultratalented adjective: Extremely talented.
ultratechnical adjective: extremely technical
ultratelluric adjective: Coming from outside the Earth; extraterrestrial.
ultratender adjective: Extremely tender.
ultratense adjective: Extremely tense.
ultraterrene adjective: Beyond the planet Earth.
ultraterrestrial adjective: Beyond the planet Earth.
ultratherm noun: A shortwave diathermy machine.
ultrathick adjective: Extremely or exceedingly thick.
ultrathin adjective: Extremely thin; of utmost thinness.
ultrathinly adverb: In an ultrathin manner
ultrathinness noun: The state or quality of being ultrathin.
ultratight adjective: Extremely tight.
ultratiny adjective: extremely tiny
ultratome noun: A microtome used in ultramicrotomy
ultratotal adjective: That quantifies more than the total quantity.
ultratough adjective: Extremely tough; of utmost toughness.
ultratoxic adjective: Extraordinarily toxic; of the utmost toxicity.
ultratraditional adjective: Extremely traditional
ultratraditionalism noun: Extreme traditionalism.
ultratraditionalist noun: A person who takes traditionalist principles to an extreme.
ultratropical adjective: Situated beyond, or outside of, the tropics.
ultratypical adjective: Conforming in every way to an idealised type; typical in every respect.
ultratyrannical adjective /ˌʌltɹətɪˈɹæ.nɪ.kl̩/: Extraordinarily tyrannical; of utmost tyranny.
ultraurgent adjective: extremely urgent
ultravacuum noun: A nearly perfect vacuum; i.e. an almost or fully complete absence of matter, especially a gas at very low pressure.
ultravast adjective /ˈʌltɹəvɑːst/: Extremely or exceedingly vast; of utmost vastness.
ultravicious adjective: Extrordinarily vicious.
ultravigilant adjective: Very vigilant.
ultravillain noun: supervillain
ultraviolence noun: Unnecessary, unprovoked (usually brutal) violence; violent acts simply for the thrill and entertainment of it.
ultraviolent adjective: Extremely violent; of utmost violence.
ultraviolet adjective, noun /ˌʌltɹəˈvaɪələt/: Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
ultraviolet A noun: the longest ultraviolet wavelength, penetrating the deepest and causing the vast majority of UV radiation
ultraviolet astronomy noun: An observational branch of astronomy, which deals with the study of ultraviolet emission from celestial objects.
ultraviolet B noun: The second shortest ultraviolet wavelength and the main cause of sunburn.
ultraviolet C noun: the shortest ultraviolet wavelength, unable to penetrate the Earth's atmosphere
ultraviolet catastrophe noun: A fault in classical physics, from the Rayleigh's law/Rayleigh-Jeans law outcomes at short wavelengths/high frequencies, that causes infinite amplification...
ultraviolet light noun: Light in the ultraviolet part of the spectrum.
ultraviolet radiation noun: A form of non-ionizing radiation emitted by the sun and other artificial sources.
ultravirile adjective: Extremely virile.
ultravirility noun: The quality of being ultravirile.
ultravirtuous adjective: extremely virtuous
ultravirus noun: A filterable virus.
ultraviscosity noun: The condition of being ultraviscous.
ultraviscous adjective: Having an extremely high viscosity
ultravisible adjective: At the ultraviolet end of the spectrum, higher in frequency than light visible to humans.
ultravivid adjective: Extraordinarily vivid; of utmost vividness or vividity.
ultravulnerable adjective: Highly vulnerable.
ultrawarm adjective: Extremely warm.
ultrawave noun: A type of radiation, often described as allowing for faster-than-light communication.
ultraweak adjective: Extremely weak
ultraweakly adverb: In an ultraweak manner
ultrawealthy adjective: Extremely wealthy.
ultrawide adjective: extremely wide
ultrawideband adjective: Describing a radio technology that uses a large portion of the radio spectrum
ultrawise adjective: extremely wise
ultrayoung adjective: extremely young
ultrazealous adjective: Extremely zealous.
ultrazodiacal adjective: Outside the zodiac; being in that part of the skies that is more than eight degrees from the ecliptic.
ultrazoom noun: A very high-magnification zoom feature.
ultroneity noun: The quality of being ultroneous.
ultroneous adjective /ʌlˈtɹoʊniəs/: spontaneous; voluntary
ultroneously adverb: Spontaneously; voluntarily.
ultroneousness noun: The state or quality of being ultroneous; spontaneousness; voluntariness.
ultrophone noun: Alternative spelling of ultraphone.
ULTT noun: Initialism of upper limb tension test.
ulu adjective, noun /ˈuːluː/: An all-purpose knife traditionally used by Yup'ik, Inuit, and Aleut women.
ulua noun: Alternative form of Ulúa.
ulubalang noun: In parts of Asia: a chosen warrior; a champion.
uluhe noun: The fern Dicranopteris linearis.
uluhi noun: Alternative form of uluhe (“kind of fern”).
ululant adjective: Howling; wailing.
ululate verb /ˈjuːljuleɪt/: To howl loudly or prolongedly in lamentation or joy.
ululating noun, verb: An act of ululation.
ululatingly adverb: With a ululating sound.
ululation noun /juːljʊˈleɪʃ(ə)n/: The act of ululating; a long, loud, wavering cry or howl.
ululative adjective: Being or relating to a ululation.
ululatory adjective: Being or relating to a ululation.
ululoo noun: Alternative form of ullaloo.
ululu noun: An auspicious cry uttered by Indian women on festive occasions.
Uluru proper noun /ˈuːluɹuː/: A giant free-standing rock in central Australia.
ulus noun: An administrative division of the Sakha Republic (Yakutia), Russia, similar to райо́н (rajón, “district”) in Russia proper.
ulva noun /ˈɔl.və/: Any organism of the genus Ulva.
ulvaceous adjective: Of or relating to the Ulvaceae.
ulvalean noun: Any green alga of the order Ulvales
ulvan noun: Any of a class of sulfated polysaccharides found in the cell wall of the green alga Ulva pertusa.
ulvellaceous adjective: Of or relating to the Ulvellaceae.
Ulverston proper noun: A market town and civil parish with a town council in Westmorland and Furness, Cumbria, England, previously in South Lakeland district, and historically in...
Ulverstone proper noun: A town in Central Coast council area, northern Tasmania, Australia.
ulvite noun: ulvöspinel
ulvoid noun: Any green alga of the genus Ulva.
ulvophycean noun: Any green alga of the class Ulvophyceae
ulvophyte noun: Any green alga of the class Ulvophyceae
ulvospinel noun: Alternative spelling of ulvöspinel.
ulwaluko noun: The Xhosa ritual of circumcision and initiation into manhood.
ULX adjective, noun: Abbreviation of ultra-luminous X-ray (the individual X-rays are not ultraluminous).
ULXB noun: Abbreviation of ultraluminous X-ray burst.
Ulyana proper noun: A transliteration of the Belarusian female given name Улля́на (Ulljána)
Ulyanov proper noun: A transliteration of the Russian surname Улья́нов (Ulʹjánov).
Ulyanovsk proper noun /ʊlˈjɑːnɒfsk/: An oblast of Russia.
Ulyssean adjective: Of or relating to the mythological Ulysses.
Ulysses proper noun /juːˈlɪ.siːz/: The Latin equivalent of Odysseus.
Ulysses Grant noun: Synonym of Ulysses S. Grant.
Ulysses S. Grant noun: A United States fifty-dollar bill.
Ulysses syndrome noun: An atypical set of depressive, anxious, dissociative and somatoform symptoms resulting from the stress associated with modern migration.
Ulyssian adjective: Alternative form of Ulyssean.
ulzzang noun: A South Korean subculture emphasizing idealized beauty, in particular large, round eyes and softened features.
um interjection, noun, particle, prefix, pronoun, suffix, verb /ʌm/: Expression of hesitation, uncertainty or space filler in conversation.
um, actually noun: An unwarranted correction, often given in a condescending manner.
um-hum interjection: Alternative form of mhm.
UMA noun: Initialism of unified memory access.
-umab suffix /jʊm.æb/: Used to form names of monoclonal antibodies derived from a human source.
Umag proper noun: A city in Croatia.
umagite noun: A mineral selenide of copper Cu₃Se₂
Umali proper noun: A surname.
umami noun /uˈmɑːmi/: One of the five basic tastes, the savory taste of foods such as seaweed, cured fish, aged cheeses and meats.
umami bomb noun: A food or meal with a strong umami flavor.
umaminess noun: The property of having the umami taste.
Uman proper noun: A city and raion of Cherkasy Oblast, Ukraine.
Umana proper noun: A surname.
umangite noun: A selenide mineral, with chemical formula Cu₃Se₂, blue to red in color.
Umar proper noun: A surname.
Umari noun: A member of the al-Omari, a family claiming descent from Umar, the second caliph of the Islamic empire.
Umatilla noun /ˌjuːməˈtɪlə/: A member of a Sahaptin-speaking Native American tribe who traditionally inhabited the Columbia Plateau region of the northwestern United States, along the...
Umawi adjective, noun: Synonym of Umayyad.
Umayyad adjective, noun: Of or relating to the Umayyad dynasty, which ruled the Umayyad Caliphate from Damascus between 661 and 744 then from Harran until 750, and al-Andalus...
Umayyid noun: Alternative form of Umayyad.
UMB noun, prefix: Initialism of upper memory block.
umbalite noun: A variety of garnet consisting of a mixture of pyrope, almandine, and spessartine, having the chemical formula Mg₃Al₂(SiO₄)₃-Mn²⁺₃Al₂(SiO₄)₃, exclusively...
Umbanda proper noun: An Afro-Brazilian religion that blends elements of African religions with Catholicism.
Umbandist noun: A practitioner of Umbanda.
Umbararo noun: An ethnic group from Nigeria, Libya, Chad and Sudan
Umbarger proper noun: A surname.
umbe- prefix: Alternative form of um-.
umbecast verb /ˌʌmbəˈkæst/: To cast about; make a circuit; travel around (a place).
umbeclap verb: To embrace; enclose.
umbedraw verb: To turn about, turn around.
umbego verb: To go around.
umbegrip verb: To seize hold of.
umbegrippe verb: Alternative form of umbegrip.
umbel noun /ʌmbəl/: A flat-topped or rounded flower-cluster (= inflorescence) in which the individual flower stalks arise from the same point, the youngest flowers being at the...
umbelap verb /ˌʌmbɪˈlæp/: To enshroud, to envelop; to surround.
umbeled adjective: Having umbels.
umbella noun: Synonym of umbel.
umbellar adjective: Of, pertaining to, bearing or having the form of an umbel.
umbellaster noun: A group of flowers arising from one point.
umbellate adjective: Having umbels.
umbellate wintergreen noun: Synonym of prince's pine
umbellated adjective: Bearing umbels.
umbellately adverb: In an umbellate manner.
umbelled adjective: Having umbels.
umbellet noun: A secondary umbel in a compound umbel such as the carrot; an umbellule.
umbellic adjective: umbellar
umbellic acid noun: dihydroxycinnamic acid, obtained from certain umbelliferous plants
umbellifer noun: Any plant of the family Apiaceae, also called Umbelliferae, whose inflorescence is an umbel, such as a carrot or celery.
umbelliferon noun: Alternative form of umbelliferone.
umbelliferone noun: A yellowish-white natural product of the coumarin family, occurring in such plants as carrot and coriander.
umbelliferous adjective: Bearing umbels.
umbelliferyl noun: A univalent radical derived from umbelliferone
umbelliform adjective: Having the shape of an umbel.
umbelliprenin noun: The chromenone derivative 7-[(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trienoxy]chromen-2-one
umbelloid adjective: Resembling an umbel.
umbellula noun: Alternative form of umbellule.
umbellulate adjective: Having umbellules.
umbellule noun: An umbellet.
umbelluliferous adjective: Bearing umbellules.
umbellulone noun: A monoterpenoid ketone, 4-methyl-1-(propan-2-yl)bicyclo[3.1.0]hex-3-en-2-one, present in the tree Umbellularia californica.
umbelule noun: Alternative form of umbellule.
umbelwort noun: Any plant of the Umbelliferae (Apiaceae).
umber adjective, noun, verb /ˈʌmbə/: A brown clay, somewhat darker than ochre, which contains iron and manganese oxides.
umber bird noun: The hammerkop (bird)
umberella noun: umbrella
Umberger proper noun: A surname.
umbershoot noun: An umbrella
umbery adjective: Of or pertaining to umber; like umber.
umbeschew verb: To avoid; shun.
umbeset verb: To block, obstruct; act detrimentally toward.
umbethink verb: To recall to mind; remember; recollect.
umbethinking noun: A reminder; a sudden act of reminding; a reproof or blow given unexpectedly.
umbi adjective, noun: Clipping of umbilicus.
umbilectomy noun: Synonym of omphalectomy.
umbilic adjective, noun, prefix: Of, pertaining to, or having a navel or umbilicus
umbilical adjective, noun /ʌmˈbɪ.lɪ.kəl/: Of, or relating to, the navel (umbilicus) or the umbilical cord.
umbilical artery noun: A paired blood vessel in the fetus that carries deoxygenated nutrient-poor blood from the fetus to the placenta by means of the umbilical cord.
umbilical cord noun /əm.ˈbɪ.lə.kəl koɹd/: The flexible structure connecting a foetus with the placenta; it transports nourishment to the foetus and removes waste.
umbilical hernia noun: A hernia at the site of the umbilicus (navel).
umbilical notch noun: A cut-out (space) at the top of certain newborn diapers that exposes the baby's sensitive navel, intended to help keep it clean and safe from infection.
umbilical vein noun: A fetal blood vessel that carries oxygenated, nutrient-rich blood from the placenta to the developing fetus.
umbilicariaceous adjective: Of or relating to the Umbilicariaceae.
umbilicate adjective: Having a navel.
umbilicated adjective: Alternative form of umbilicate.
umbilication noun: A small, navel-shaped depression, or dimple, at the centre of a rounded body.
umbiliciform adjective: Shaped like an umbilicus.
umbilico- prefix /ʌmˈbɪlɨkoʊ-/: Of or relating to the umbilicus (navel).
umbilicoplacental adjective: umbilical and placental
umbilicoplasty noun /ʌmˈbɪlɪkəˌplɑːsti/: A plastic surgery procedure to modify the appearance of the navel.
umbilicous adjective: Alternative form of umbilic.
umbilicovesical adjective: Relating to the umbilicus and the urinary bladder.
umbilicovitelline adjective: Relating to the umbilicus and the yolk sac
umbilicular adjective: Alternative form of umbilical.
umbilicus noun /ʌmˈbɪl.ɪ.kəs/: A navel.
umbiliform adjective: Shaped like an umbilicus.
umbite noun: An inosilicate mineral of potassium, zirconium and titanium
'umble adjective, verb: Pronunciation spelling of humble.
umble pie noun: humble pie; a pie made of offal
umbles noun: Animal entrails, especially of a deer.
'umbly adverb: Pronunciation spelling of humbly.
umbo noun /ˈʌm.bəʊ/: The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike.
umboldilite noun: Alternative form of humboldtilite.
umbonal adjective: Relating to the umbo.
umbonate adjective: Having an umbo
umbonated adjective: Alternative form of umbonate.
umbonately adverb: In an umbonate manner.
umbonation noun: An umbo.
umbone noun: Synonym of umbo.
umbonial adjective: Of or relating to an umbo.
umbonic adjective: Pertaining to an umbo.
umbonulate adjective: Having a small umbo.
umbonuloid adjective: Characteristic of umbonulomorphs
umbonulomorph noun: Any bryozoan of the infraorder Umbonulomorpha
umboth noun: Agency.
umbozerite noun: An amorphous mineral containing hydrogen, oxygen, silicon, sodium, strontium, and thorium.
umbra noun /ˈʌmbɹə/: The fully shaded inner region of a shadow cast by an opaque object.
umbra recta noun /ˈʌmbɹə ˈɹɛktə/: On a shadow in the shape of a right triangle, the length of the shadow's edge adjacent to a measured angle.
umbra versa noun /ˈʌmbɹə ˈvɜːsə/: On a shadow in the shape of a right triangle, the length of the shadow's edge opposite to a measured angle.
umbracious adjective: Shady; shaded.
umbracular adjective: Having or relating to an umbraculum.
umbraculate adjective: Nearly covered by a projecting process.
umbraculid noun: Any gastropod in the family Umbraculidae.
umbraculiferous adjective: Bearing something like an open umbrella.
umbraculiform adjective: Having the form of something that offers shade, such as a treetop or especially an umbrella.
umbraculum noun: Any umbrella-shaped appendage, such as the cap borne on the seta of Marchantia.
umbradilic acid noun: diodone
umbrage noun, verb /ˈʌm.bɹɪd͡ʒ/: A feeling of anger or annoyance caused by something offensive.
umbrageous adjective /ʌmˈbɹeɪdʒəs/: Having or providing shade; shady.
umbrageously adverb: In an umbrageous manner.
umbrageousness noun: The quality of being umbrageous.
umbraid noun, verb: To upbraid.
umbral adjective /ˈʌmbɹəl/: Of or relating to an umbra.
umbral calculus noun: An area of study around the surprising similarity between seemingly unrelated polynomial equations and certain shadowy techniques used to "prove" them.
umbral moonshine noun: A mysterious connection between Niemeier lattices and Ramanujan's mock theta functions; a generalization of the Mathieu moonshine phenomenon connecting...
umbralisib noun: An oral medication for the treatment of marginal zone lymphoma and follicular lymphoma.
umbrally adverb: In an umbral or shadowy manner.
umbramancy noun /ˈʌmbɹəmænsi/: Magical control over shadows.
umbraphile noun: One who loves eclipses, often travelling to see them.
umbrate verb: To shade; to shadow.
umbrated adjective: Adumbrated.
umbratic adjective: Of or relating to the shade or darkness; shadowy.
umbratical adjective: Alternative form of umbratic.
umbraticolous adjective: Growing in shady places.
umbratile adjective, noun: Shady, shadowy.
umbratilous adjective: Shadowy; faint; secluded; indistinct; vague; latent; indeterminate.
umbration noun: Adumbration; shadow or outline.
umbraviral adjective: Relating to the umbraviruses
umbravirus noun: Any plant virus of the genus Umbravirus
umbrel noun /ˈʌmbɹəl/: An umbrere; the visor of a helmet
umbrella noun, verb /ʌmˈbɹɛl.ə/: A cloth-covered frame used for protection against rain or sun.
umbrella ant noun: leaf-cutter ant
umbrella bird noun: Alternative form of umbrellabird.
umbrella cockatoo noun: A medium-sized all-white cockatoo endemic to the tropical rainforests and islands of Indonesia.
umbrella company noun: A company that acts as an employer to fixed-term contractors, usually through an employment agency.
umbrella cover noun: Alternative form of umbrella cover.
umbrella crab noun: A king crab of species Cryptolithodes sitchensis, native to coastal regions of the northeastern regions of the Pacific Ocean.
umbrella fern noun: Synonym of shield fern (“Sticherus species”).
umbrella fund noun: A collective investment scheme that exists as a single legal entity but has several distinct subfunds traded like individual investment funds.
umbrella girl noun: Synonym of grid girl.
umbrella grass noun: Chloris truncata, a grass, early chloris (Australia), Australian finger grass, star grass, windmill grass.
umbrella insurance noun: A form of liability insurance that is in excess of specified other policies and also potentially primary insurance for losses not covered by the other...
umbrella-leaf noun: Diphylleia cymosa, an ornamental plant of the Berberidaceae family, native to the United States.
umbrella octopus noun: Any of the family Opisthoteuthidae of pelagic octopuses, having a web of skin between the arms.
umbrella organisation noun: An organisation that coordinates the activities of a number of member organisations and hence promotes a common purpose.
umbrella organization noun: An organization that coordinates the activities of a number of member organisations to promote a common goal.
umbrella palm noun: The palm tree Hedyscepe canterburyana.
umbrella pine noun: A stone pine.
umbrella plant noun: Any of the species Darmera peltata (Indian rhubarb).
umbrella policy noun: An insurance policy offering umbrella insurance.
umbrella school noun: An alternative school that oversees the homeschooling of children to ensure that it fulfils government educational requirements.
umbrella stand noun: A container in which umbrellas are kept when drying or not in use.
umbrella step noun: A type of move in the children's game Giant Steps or Mother May I that involves twirling on one foot while holding one finger on the top of the head.
umbrella term noun: A term used to cover a broad category of things rather than a single specific item.
umbrella thorn noun: The acacia tree Vachellia tortilis heteracantha
umbrella tree noun: An umbrella magnolia (Magnolia tripetala).
umbrella wasp noun: Any of certain kinds of paper wasp that build a nest resembling an upside-down umbrella.
umbrellabird noun: A large tropical cotinga of the genus Cephalopterus found in the forests of South America, with black plumage, a radiating crest on the top of its head,...

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under U: 26,317 words, in 88 parts.