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“U” Words

uber
adj
Informal: extremely, or the ultimate example of something.
uberty
noun
Fertile growth, abundance, fruitfulness; copiousness, plenty.
ubiquitous
adj
Seeming to be everywhere at once; found absolutely everywhere.
ubiquity
noun
The state of being everywhere at once, or of appearing so widely that you cannot avoid noticing it.
Uday
name
A masculine given name of Sanskrit origin, meaning "sunrise" or "rising."
udder
noun
The milk-producing organ hanging beneath cattle, goats, sheep, and similar animals.
udo
noun
Japanese spikenard, a tall Asian plant whose blanched young shoots are eaten as a vegetable.
udon
noun
A thick, chewy Japanese noodle made from wheat flour.
Ueda
name
A Japanese surname meaning "upper rice field."
Ueno
name
A Japanese surname meaning "upper field," and the name of a famous district and park in Tokyo.
ufo
noun
An unidentified flying object — something seen in the sky that cannot be readily explained, often associated with claims of alien spacecraft.
ug
verb
To feel or cause a strong sense of dread, disgust, or revulsion; to shudder at something repulsive.
Uganda
name
A landlocked country in East Africa, known for its lakes and wildlife.
ugh
intj
Used to express disgust, annoyance, or repugnance.
uglies
noun
The quality or state of being ugly; unattractiveness.
ugliness
noun
The quality of being unpleasant to look at.
ugly
adj
Unpleasant to look at; not attractive.
uh
intj
A filler sound used while thinking or hesitating in speech.
uhlan
noun
A lancer, a soldier armed with a lance in a former light cavalry unit of the Polish, Prussian or German, Austrian, and Russian armies.
UI
noun
The part of a piece of software that a person actually sees and operates — the screens, buttons, menus, forms and text through which they give instructions and read results.
ukase
noun
An authoritative proclamation; an edict, especially decreed by a Russian czar or later ruler.
uke
noun
The training partner against whom tori performs a move.
Ukraine
name
A country in Eastern Europe on the northern coast of the Black Sea, with Kyiv as its capital.
Ukrainian
adj
Relating to Ukraine, its people, or its language.
ukulele
noun
A small four-stringed guitar-like instrument, closely associated with Hawaiian music.
UL
verb
To upload a file to the internet or a server.
Ula
name
A feminine given name, a short form of names such as Ursula.
ulaanbaatar
name
The capital city of Mongolia.
ulcer
noun
An open, slow-healing sore on the skin or inside the body, often caused by irritation or infection.
ulceration
noun
The development of an ulcer.
ulcerousness
noun
The quality of being ulcerous.
Ullman
name
A Jewish and German surname, likely derived from a place name or the given name Ulrich.
ulna
noun
The long bone of the forearm running from the elbow to the wrist, on the side opposite the thumb.
Ulrich
name
A masculine given name of Germanic origin, meaning "power and homeland" or "noble ruler."
Ulster
name
A historic province in the north of Ireland, made up of six counties in Northern Ireland and three in the Republic of Ireland.
ulterior
adj
Hidden or undisclosed, especially when describing a motive meant to deceive.
ultimate
adj
Final; the last in a sequence, beyond which nothing more follows.
ultimately
adv
In the end; after everything else has been considered or has happened.
ultimatum
noun
A final demand or set of terms, often carrying a threat if not accepted by a deadline.
ultimogeniture
noun
A system of inheritance in which the youngest son or youngest child inherits an estate.
ultra
adj
Extreme; going far beyond what is normal or moderate.
ultrabook
noun
A very lightweight and thin portable computer the areal size of a notebook computer or subnotebook.
ultramarine
adj
Beyond the sea.
ultrasonic
adj
Having a sound frequency higher than what humans can hear, generally above 20 kilohertz.
ultrasonics
noun
the science and technology of ultrasound
ultrasonography
noun
The use of ultrasound to produce images of the hidden interior of objects or spaces.
ultrasound
noun
Sound waves at a frequency too high for humans to hear.
ultraviolet
adj
Describing light or radiation with a wavelength shorter than visible light, invisible to the human eye.
ululate
verb
To howl loudly or prolongedly in lamentation or joy.
ululation
noun
The act of ululating; a long, loud, wavering cry or howl.
Ulysses
name
A masculine given name, the Latin form of Odysseus, the hero of Homer's Odyssey, also borne by U.S. President Ulysses S. Grant.
um
intj
A filler sound used to express hesitation or uncertainty while speaking.
Uma
noun
Any of the horse girl characters from Umamusume.
umami
noun
The savoury, meaty, mouth-filling taste found in foods such as parmesan, soy sauce, mushrooms, anchovies and ripe tomatoes, recognised as one of the basic tastes alongside sweet, sour, salty and bitter.
Umar
name
A masculine given name of Arabic origin, meaning "flourishing" or "long-lived," borne by the second caliph of Islam.
umbeset
verb
To block, obstruct; act detrimentally toward.
umbethink
verb
To recall to mind; remember; recollect.
umbilical
adj
Relating to the navel or the umbilical cord that connects a fetus to the placenta.
umbilicus
noun
A umbilical cord.
umbrage
noun
A feeling of anger or annoyance caused by something offensive.
umbrageous
adj
Having or providing shade; shady.
umbral
adj
Of or relating to an umbra.
umbrella
noun
A portable folding frame covered in fabric, held overhead to give shelter from rain or sun.
umbrous
adj
Umbral, shadowy, or relating to shadows.
umbworld
noun
The surrounding world; the world or sphere about one; the environment.
ume
noun
A Japanese fruit tree closely related to the plum and apricot, or its sour fruit, often pickled or used in drinks.
UMP
noun
An informal term for an umpire, especially in baseball or cricket.
umpire
noun
An official who oversees a sports match and enforces its rules, such as in baseball, cricket, or tennis.
umpteen
det
Relatively large but unspecified in number.
umstroke
noun
The circumference or periphery of a circle.
Un
name
A Korean given name element and surname, also familiarly used to refer to North Korean leader Kim Jong Un.
Una
name
A feminine given name of Irish origin, meaning "lamb," also used as an anglicization of the Latin "una," meaning "one."
unabashed
adj
Not disconcerted or embarrassed.
unability
noun
Lack of ability; inability.
unable
adj
Not having the ability, power, or means to do something.
Unabomber
name
A nickname coined by the FBI for Theodore Kaczynski, referring to his early bombing targets of universities and airlines.
unabridged
adjective
Complete, with nothing cut out or shortened, especially of a book, recording or dictionary.
unaccelerate
verb
To undo or reverse the acceleration of
unacceptable
adj
Not good enough to be allowed, approved of, or tolerated.
unaccompanied
adj
Traveling or appearing alone, without anyone else along.
unaccounted
adj
Not explained, tracked, or included in a total; missing from a record.
unaccustomed
adj
Not used to an event or thing, not accustomed.
unacquainted
adj
Not acquainted, unfamiliar (with someone or something).
unacquire
verb
To lose or get rid of; reverse the possession or acquisition of; unget
unadorned
adj
Having no additional decoration or embellishment; plain and simple
unadulterated
adj
Pure, with nothing added or mixed in.
unaffected
adj
Not changed or influenced by something.
unaffiliated
adj
Not affiliated, not associated.
unafraid
adj
Not feeling fear; not afraid.
unaggressive
adj
Not aggressive; peaceable; not violent.
unaided
adj
Without the help, aid or assistance of someone or something.
unalike
adj
Of an unlike kind; different
unalikeness
noun
The state or quality of being unalike.
unalive
adj
Not alive; dead or inanimate.
unallowable
adj
Not allowable
unalloyed
adj
Not alloyed; not in mixture with other metals; pure.
unalterable
adj
Incapable of being altered, or of changing.
unaltering
adj
Not altering; unchanging, constant.
unambiguity
noun
The quality of being unambiguous.
unambiguous
adj
Clear, and having no uncertainty or ambiguity.
unambiguously
adv
In a manner that is not ambiguous; leaving no doubt; clearly
unambitious
adj
Having little ambition for success or achievement
unamenable
adj
Not amenable; unsusceptible, unreceptive.
unangelic
adj
Not angelic (sweet or well-behaved).
unanimity
noun
The condition of agreement by all parties, the state of being unanimous.
unanimous
adj
Agreed to by everyone, with no one dissenting.
unanimously
adv
With everyone in agreement; without any dissent.
unannounced
adj
Happening or arriving without prior notice.
unanswerable
adj
Not answerable; impossible to answer.
unanswered
adj
Not yet answered, responded to, or resolved.
unapologetic
adj
Not apologetic for having said or done something that causes actual or potential harm, especially when being apologetic would be appropriate.
unapparent
adj
Not apparent; not seen on the surface.
unappealing
adj
Not attractive or tempting; failing to interest or please.
unappreciated
adj
Not recognized or valued for one's effort or worth.
unapprehensive
adj
Not apprehending.
unapproachable
adj
Not accessible or able to be reached.
unapt
adj
Not apt, inappropriate, unsuited.
unarguability
noun
The quality of being unarguable.
unarguable
adj
Not arguable; that cannot be reasonably argued against.
unarm
verb
To disarm, to remove the armour and weapons from.
unarmed
adj
Not carrying a weapon.
unarmored
adj
Not armored; not wearing armor
unarticulated
adj
Not articulated.
unassociated
adj
Not associated, as:
unassuming
adj
Modest and not seeking attention or credit.
unassumingness
noun
The quality of being unassuming.
unattached
adj
Not physically joined or connected to something else.
unattainable
adj
Impossible to reach or achieve.
unattended
adj
Left alone, with no one watching or supervising.
unattractive
adj
Not pleasing in appearance.
unattributed
adj
Lacking attribution; of unknown authorship
unauthentic
adj
Not authentic; inauthentic.
unauthorized
adj
Done without official permission.
unavailability
noun
The state of being unavailable
unavailable
adj
Not able to be obtained, used, or reached at a given time.
unavailing
adj
Fruitless, futile, useless.
unavoidable
adj
Not able to be avoided or prevented; bound to happen.
unavoidably
adv
In an unavoidable manner.
unawakening
adj
Not awakening; dormant, asleep.
unawaking
adj
Not waking; dormant, asleep.
unaware
adj
Not knowing about or noticing something.
unawarely
adv
Without being aware; inadvertently.
unawareness
noun
The state of being unaware.
unawares
adv
By surprise; without warning.
unbalance
verb
To cause to be out of balance.
unbalanced
adj
Lacking stability or equal proportion; not balanced.
unbar
verb
To unlock or unbolt a door that had been locked or bolted with a bar.
unbearable
adj
So unpleasant, painful, or difficult that it feels impossible to put up with.
unbearably
adv
To a degree that is too much to endure.
unbeatable
adj
Impossible to defeat or improve upon.