U — The school dictionary · page 31 2 3 4 5 6unfamiliarUnfamiliar means not known to you or not seen before.9 sentencesunfastenTo unfasten something means to open it or undo it, such as a button, buckle, belt, seat belt, clasp or lock.9 sentencesunfastenedUnfastened means not fastened, not closed or done up: an unfastened seat belt, an unfastened gate.9 sentencesunfathomableToo deep or too hard to measure or understand.4 sentencesunfavourableNot good or helpful; making success less likely: unfavourable weather.11 sentencesunfedNot given food; hungry.4 sentencesunfeelingNot kind; not caring about other people's feelings or pain; hard-hearted.8 sentencesunfeignedReal and genuine; not pretended.4 sentencesunfertilisedUnfertilised describes an egg or egg cell that has not joined with a sperm cell, so it cannot grow into a baby animal.10 sentencesunfinishedUnfinished means not finished, not complete yet.11 sentencesunfitNot healthy or strong in the body, usually because of too little exercise.9 sentencesunflatteringUnflattering means making someone or something look or seem worse than they really are, like an unflattering photo.8 sentencesunfledgedOf a young bird, not yet grown its feathers, so it cannot fly yet.5 sentencesunfoldTo open something that was folded so it lies flat or spreads out.11 sentencesunfollowTo stop following a person or account on social media, so you no longer see their posts.7 sentencesunforcedUnforced means done naturally and easily, not with effort or pretending.8 sentencesunforeseenNot expected or planned for; something nobody guessed would happen.8 sentencesunforgettableUnforgettable means so special, exciting, beautiful or strange that you will remember it for a very long time.7 sentencesunforgivingAn unforgiving person does not forgive people easily and keeps blaming them for wrongs they did.8 sentencesunfortunateHaving bad luck; unlucky.11 sentencesunfortunatelyUsed to say that something is sad, bad or unlucky, or that it did not turn out well: «Unfortunately, it started to rain.».4 sentencesunfoundedUnfounded means not based on facts or evidence; not true.7 sentencesunfreeUnfree means not free; not allowed to choose how you live, work or move, such as a slave, a serf or a prisoner.8 sentencesunfriendlyUnfriendly means not kind or welcoming, not wanting to be nice to other people.11 sentencesunfrozenUnfrozen means no longer frozen; thawed, or never frozen at all.9 sentencesunfulfilledNot carried out or finished, as a promise or task is not done.5 sentencesunglazedUnglazed pottery or tiles have no shiny glassy coating (glaze) on the surface, so they look dull and feel rough.8 sentencesungodlyNot respecting God; wicked or sinful.5 sentencesungovernableUngovernable means impossible to control or rule, like an ungovernable country, crowd or class.8 sentencesungraciousRude or not polite; not kind in the way someone speaks or behaves.4 sentencesungrammaticalUngrammatical means not following the rules of grammar of a language, like «She go to school yesterday.».7 sentencesungratefulUngrateful means not thankful, not showing thanks when someone has helped you or given you something.7 sentencesunguardedUnguarded means not watched or protected by anyone.8 sentencesunguentA soft cream or oil rubbed on the skin to heal it, soften it or make it smell nice.4 sentencesunhappilyIn a sad way, showing you are unhappy.5 sentencesunhappinessUnhappiness is the feeling of being sad or not happy.8 sentencesunhappySad, not happy or cheerful.11 sentencesunharmedNot hurt or damaged; safe after a danger.8 sentencesunharnessTo take the harness off an animal, such as a horse, so it can rest or graze.4 sentencesunhealthyNot good for your health.12 sentencesunheardUnheard means not heard by anyone, or not listened to.9 sentencesunheatedUnheated means without any heating, so it stays cold, like an unheated room, pool or greenhouse.7 sentencesunheededNot noticed or not paid attention to; ignored.4 sentencesunhelpfulUnhelpful means not helping, or making a problem or a situation harder.7 sentencesunhinderedNot blocked, slowed or stopped; free to go on.4 sentencesunhingeTo take a door or lid off its hinges.10 sentencesunhingedUnhinged means mentally unbalanced, acting in a wild, crazy or frightening way.9 sentencesunholyWicked or sinful, not holy.5 sentencesunhookTo unhook something is to undo it from a hook or take a hook out of it, such as unhooking a fish or a coat.10 sentencesunhorseTo knock or throw a rider off a horse.4 sentencesunhurtUnhurt means not injured or harmed, especially after an accident or danger.8 sentencesunhygienicUnhygienic means dirty in a way that can spread germs and illness.7 sentencesunicefUNICEF is the part of the United Nations that works to help children around the world, giving them food, clean water, vaccines, schooling…8 sentencesunicornA unicorn is a magical animal from stories and legends that looks like a white horse with one long, straight, twisted horn on its forehead.12 sentencesunicycleA cycle with only one wheel, pedals and a seat, ridden by balancing, often by clowns or performers.8 sentencesunidentifiedUnidentified means not known or not recognised: no one knows yet who or what it is.8 sentencesunificationUnification is the act of joining separate things, groups or countries into one whole.7 sentencesunifiedUnified means joined together into one whole.8 sentencesuniformA set of special clothes that everyone in a school, team or job wears, so they look the same or can be recognised, like a school uniform o…11 sentencesuniformlyIn the same way everywhere or for everyone; evenly, without changes.8 sentencesunimaginablyUnimaginably means to a degree that is so great, small or extreme that it is very hard or impossible to imagine.7 sentencesunimpededUnimpeded means not blocked or slowed down; free to move or happen: «an unimpeded view».8 sentencesunimportantUnimportant means not important; not mattering much.8 sentencesunimpressedUnimpressed means not thinking that someone or something is good, special or clever.8 sentencesuninformativeUninformative means giving little or no useful information.7 sentencesuninformedUninformed means not knowing the facts about something: «an uninformed guess».8 sentencesuninhabitedWith no people living there.9 sentencesuninjuredNot hurt or harmed; without any injury.8 sentencesunintelligentNot clever; not showing good thinking or understanding.8 sentencesunintelligibilityUnintelligibility is the state of being impossible or very hard to understand, especially speech or writing that cannot be made out.7 sentencesunintelligibleUnintelligible speech or writing cannot be understood because it is unclear, mumbled, too messy, or in a code or language you do not know.8 sentencesunintendedUnintended means not planned or not meant to happen: an unintended result, unintended harm.6 sentencesunintentionalNot done on purpose; accidental.7 sentencesunintentionallyIf you do something unintentionally, you do it by accident, not on purpose.4 sentencesuninterestedUninterested means not interested; not wanting to know about or pay attention to something.7 sentencesuninterestingUninteresting means not interesting; dull and boring, so it does not hold your attention.8 sentencesuninterruptedUninterrupted means going on without being stopped or broken.9 sentencesuninvitedUninvited means not invited; coming or happening without being asked.7 sentencesunionA union is a group of workers who join together to protect their pay and rights (a trade union, a labor union).12 sentencesuniqueUnique means being the only one of its kind, unlike anything else: every snowflake is unique.12 sentencesuniquelyUniquely means in a way that is the only one of its kind, so nothing else is like it.8 sentencesunison«In unison» means all together, at the same time, with everyone doing the same thing.5 sentencesunitA unit is an amount used for measuring, like a meter, a kilogram, a liter or an hour.14 sentencesuniteTo unite means to join together to make one group or one thing: «The two clubs united.».12 sentencesunityBeing joined together as one, or people agreeing and working together.11 sentencesuniversalUniversal means true for, done by or belonging to everyone or everything, in every place.12 sentencesuniversallyUniversally means by everyone or everywhere, without exception.9 sentencesuniverseThe universe is everything that exists: all of space, time, matter and energy, including all the stars, planets and galaxies.9 sentencesuniversityA place of higher learning where people study for degrees after school and where research is done.9 sentencesunjustUnjust means not fair or not right, especially when someone is treated badly without a good reason.9 sentencesunjustifiedUnjustified means not fair or not reasonable; without a good reason.7 sentencesunjustlyIf someone is treated unjustly, they are treated unfairly, in a way that is not right.4 sentencesunkemptUnkempt means messy or untidy, not neatly cared for, especially of hair, beards or clothes.4 sentencesunkindUnkind means not kind; saying or doing things that hurt or upset other people.9 sentencesunkindlyUnkindly means in a way that is not kind, not caring or a bit cruel.8 sentencesunkindnessUnkindness is being unkind, mean or cruel to others.9 sentencesunknowableUnknowable means impossible to know or find out, even with study or tools.7 sentencesunknowingUnknowing means not knowing or not aware of what is happening, often of something important.8 sentencesunknownUnknown means not known: an unknown number.12 sentencesunlabelledWithout a label: an unlabelled jar or bottle.8 sentences1 2 3 4 5 6This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/U/page/3/