u | (noun) the 21st letter of the Roman alphabet | Synonyms: U |
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uakari | (noun) medium-sized tree-dwelling monkey of the Amazon basin; only New World monkey with a short tail | - |
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ubiety | (noun) the state of existing and being localized in space | - |
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ubiquinone | (noun) any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration | Synonyms: coenzyme Q |
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ubiquitousness | (noun) the state of being everywhere at once (or seeming to be everywhere at once) | Synonyms: omnipresence, ubiquity |
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ubiquity | (noun) the state of being everywhere at once (or seeming to be everywhere at once) | Synonyms: omnipresence, ubiquitousness |
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udder | (noun) mammary gland of bovids (cows and sheep and goats) | Synonyms: bag |
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udometer | (noun) gauge consisting of an instrument to measure the quantity of precipitation | Synonyms: pluviometer, rain gage, rain gauge |
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ugli | (noun) large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin | Synonyms: tangelo, ugli fruit |
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ugliness | (noun) qualities of appearance that do not give pleasure to the senses | - |
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(noun) the quality of being wicked | Synonyms: nefariousness, vileness, wickedness |
uintathere | (noun) a variety of dinocerate | Synonyms: dinoceras |
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ukase | (noun) an edict of the Russian tsar | - |
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uke | (noun) a small guitar having four strings | Synonyms: ukulele |
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ukulele | (noun) a small guitar having four strings | Synonyms: uke |
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ulalgia | (noun) pain in the gums | - |
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ulama | (noun) the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community | Synonyms: ulema |
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ulatrophia | (noun) recession of the gums | - |
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ulcer | (noun) a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue | Synonyms: ulceration |
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ulceration | (noun) the process of ulcer formation; the process of becoming ulcerated | - |
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(noun) a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue | Synonyms: ulcer |
ulema | (noun) the body of Mullahs (Muslim scholars trained in Islam and Islamic law) who are the interpreters of Islam's sciences and doctrines and laws and the chief guarantors of continuity in the spiritual and intellectual history of the Islamic community | Synonyms: ulama |
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ulemorrhagia | (noun) bleeding of the gums | - |
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ulitis | (noun) inflammation of the gums | - |
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ullage | (noun) the amount that a container (as a wine bottle or tank) lacks of being full | - |
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ulna | (noun) the inner and longer of the two bones of the human forearm | Synonyms: elbow bone |
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ulster | (noun) loose long overcoat of heavy fabric; usually belted | - |
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ulteriority | (noun) the quality of being ulterior | - |
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ultima | (noun) the last syllable in a word | - |
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ultimacy | (noun) the state or degree of being ultimate; the final or most extreme in degree or size or time or distance | Synonyms: ultimateness |
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ultimate | (noun) the finest or most superior quality of its kind | - |
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ultimateness | (noun) the state or degree of being ultimate; the final or most extreme in degree or size or time or distance | Synonyms: ultimacy |
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ultimatum | (noun) a final peremptory demand | - |
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ultracentrifugation | (noun) centrifugation at very high speeds | - |
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ultracentrifuge | (noun) a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins | - |
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ultraconservative | (noun) an extreme conservative; an opponent of progress or liberalism | Synonyms: extreme right-winger, reactionary |
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ultramarine | (noun) a vivid blue to purple-blue color | - |
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(noun) blue pigment made of powdered lapis lazuli | Synonyms: ultramarine blue |
ultramicroscope | (noun) light microscope that uses scattered light to show particles too small to see with ordinary microscopes | Synonyms: dark-field microscope |
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ultramodernity | (noun) The property of being extremely modern. | - |
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ultramontane | (noun) a Roman Catholic who advocates ultramontanism (supreme papal authority in matters of faith and discipline) | - |
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ultramontanism | (noun) (Roman Catholic Church) the policy that the absolute authority of the church should be vested in the pope | - |
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ultranationalism | (noun) fanatical patriotism | Synonyms: chauvinism, jingoism, superpatriotism |
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ultrasonography | (noun) using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | Synonyms: echography, sonography, ultrasound |
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ultrasound | (noun) using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | Synonyms: echography, sonography, ultrasonography |
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(noun) very high frequency sound; used in ultrasonography | - |
ultraviolet | (noun) radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays | Synonyms: ultraviolet illumination, ultraviolet light, ultraviolet radiation, UV |
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ululation | (noun) a long loud emotional utterance | Synonyms: howl, howling |
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umbel | (noun) flat-topped or rounded inflorescence characteristic of the family Umbelliferae in which the individual flower stalks arise from about the same point; youngest flowers are at the center | - |
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umbellifer | (noun) any of numerous aromatic herbs of the family Umbelliferae | Synonyms: umbelliferous plant |
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umber | (noun) a medium brown to dark-brown color | Synonyms: burnt umber, chocolate, coffee, deep brown |
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(noun) an earth pigment | - |
umbilical | (noun) membranous duct connecting the fetus with the placenta | Synonyms: umbilical cord |
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umbilicus | (noun) a scar where the umbilical cord was attached | Synonyms: belly button, bellybutton, navel, omphalos, omphalus |
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umbo | (noun) a slight rounded elevation where the malleus attaches to the eardrum | - |
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umbra | (noun) a region of complete shadow resulting from total obstruction of light | - |
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umbrage | (noun) a feeling of anger caused by being offended | Synonyms: offence, offense |
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umbrella | (noun) a formation of military planes maintained over ground operations or targets | - |
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(noun) having the function of uniting a group of similar things | - |
(noun) a lightweight handheld collapsible canopy | - |
umbrellawort | (noun) a plant of the genus Mirabilis | - |
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umlaut | (noun) a diacritical mark (two dots) placed over a vowel to indicate a change in sound in some languages | - |
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ump | (noun) an official at a baseball game | Synonyms: umpire |
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umpirage | (noun) the act of umpiring | Synonyms: officiating, officiation, refereeing |
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(noun) mediation by an umpire | - |
umpire | (noun) an official at a baseball game | Synonyms: ump |
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(noun) someone chosen to judge and decide a disputed issue | Synonyms: arbiter, arbitrator |
unabridged | (noun) a dictionary that has not been shortened by the omitting terms or definitions; a comprehensive dictionary | Synonyms: unabridged dictionary |
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unacceptability | (noun) unsatisfactoriness by virtue of not conforming to approved standards | Synonyms: unacceptableness |
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unacceptableness | (noun) unsatisfactoriness by virtue of not conforming to approved standards | Synonyms: unacceptability |
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unadaptability | (noun) the inability to change or be changed to fit changed circumstances | - |
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unaffectedness | (noun) not affected; a personal manner that is not consciously constrained | - |
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unai | (noun) relatively small fast-moving sloth with two long claws on each front foot | Synonyms: Choloepus didactylus, two-toed sloth, unau |
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(noun) a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot | Synonyms: Choloepus hoffmanni, two-toed sloth, unau |
unalterability | (noun) the quality of not being alterable | - |
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(noun) the quality of being fixed and unchangeable | Synonyms: fixedness |
unambiguity | (noun) clarity achieved by the avoidance of ambiguity | Synonyms: unequivocalness |
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unanimity | (noun) everyone being of one mind | - |
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unappetisingness | (noun) the property of spoiling the appetite | Synonyms: unappetizingness |
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unappetizingness | (noun) the property of spoiling the appetite | Synonyms: unappetisingness |
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unapproachability | (noun) a disposition to be unapproachable; unfriendly and inaccessible | - |
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unary | (noun) the bijective base-1 numeral system: in order to represent a number N, an arbitrarily chosen symbol representing 1 is repeated N times. | Synonyms: unary numeral system |
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unassertiveness | (noun) diffidence about self promotion | - |
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unassumingness | (noun) a quality of naturalness and simplicity | Synonyms: sincerity |
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unattainability | (noun) The fact of being unattainable, of not being able to be reached or acquired. | - |
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unattainableness | (noun) the state of being unattainable | - |
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unattractiveness | (noun) an ugliness of appearance that is not appealing to viewers | - |
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unau | (noun) relatively small fast-moving sloth with two long claws on each front foot | Synonyms: Choloepus didactylus, two-toed sloth, unai |
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(noun) a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot | Synonyms: Choloepus hoffmanni, two-toed sloth, unai |
unavailability | (noun) the quality of not being available when needed | - |
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unavoidability | (noun) the quality of being impossible to avoid or evade | Synonyms: ineluctability |
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unawareness | (noun) unconsciousness resulting from lack of knowledge or attention | Synonyms: unknowingness |
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unbalance | (noun) a lack of balance or state of disequilibrium | Synonyms: imbalance, instability |
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(noun) a state of mental disturbance and disorientation | Synonyms: derangement, mental unsoundness |
unbecomingness | (noun) the quality of being unbecoming | - |
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(noun) The state of not being flattering, attractive or appropriate. | - |
unbelief | (noun) a rejection of belief | Synonyms: disbelief |
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unboundedness | (noun) the quality of being infinite; without bound or limit | Synonyms: boundlessness, infiniteness, infinitude, limitlessness |
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unbreakableness | (noun) a consistency of something that does not break under pressure | - |
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unceremoniousness | (noun) an unceremonial manner | - |
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uncertainness | (noun) being unsettled or in doubt or dependent on chance | Synonyms: precariousness, uncertainty |
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uncertainty | (noun) being unsettled or in doubt or dependent on chance | Synonyms: precariousness, uncertainness |
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(noun) the state of being unsure of something | Synonyms: doubt, doubtfulness, dubiety, dubiousness, incertitude |
unchangeability | (noun) the quality of being unchangeable; having a marked tendency to remain unchanged | Synonyms: changelessness, unchangeableness, unchangingness |
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unchangeableness | (noun) the quality of being unchangeable; having a marked tendency to remain unchanged | Synonyms: changelessness, unchangeability, unchangingness |
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unchangingness | (noun) the quality of being unchangeable; having a marked tendency to remain unchanged | Synonyms: changelessness, unchangeability, unchangeableness |
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uncheerfulness | (noun) not conducive to cheer or good spirits | - |
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(noun) a feeling of dreary or pessimistic sadness | Synonyms: cheerlessness |
uncial | (noun) a style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries | - |
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uncle | (noun) the brother of your father or mother; the husband of your aunt | - |
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(noun) a source of help and advice and encouragement | - |
uncleanliness | (noun) lack of cleanly habits | - |
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uncleanness | (noun) the state of being unsanitary | Synonyms: dirtiness |
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unclearness | (noun) incomprehensibility as a result of not being clear | - |
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uncloudedness | (noun) the quality of clear water | Synonyms: clarity, clearness |
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uncomfortableness | (noun) embarrassment deriving from the feeling that others are critically aware of you | Synonyms: self-consciousness, uneasiness |
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(noun) the state of being tense and feeling pain | Synonyms: discomfort |
uncommonness | (noun) extraordinariness as a consequence of being rare and seldom encountered | - |
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(noun) extraordinariness as a consequence of being marked by an uncommon or superlative quality | - |