Uncountable
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B1 adjective /ʌnˈkaʊntəbəl/

Uncountable

innombrable; infini
Meaning
too many to be counted; innumerable; infinite in quantity
Example
There are uncountable stars in the night sky.
Il y a des étoiles innombrables dans le ciel nocturne.
B1 noun /ˌʌnɪmˈplɔɪmənt/

Unemployment

chômage
Meaning
the state of being unemployed; lack of paid work
Example
The unemployment rate has increased significantly this year.
Le taux de chômage a augmenté de manière significative cette année.
B1 adjective /ˈjuːnɪfɔːrm/

Uniform

uniforme
Meaning
consistent; identical; standardized
Example
All students must wear a uniform to school.
Tous les étudiants doivent porter un uniforme à l'école.
C1 verb /ʌnˈnɜːrv/

unnerve

perdre confiance
Meaning
to make someone lose confidence, courage, or composure
Example
The hostile questions began to unnerve the witness.
Les questions hostiles ont commencé à déstabiliser le témoin.
C2 adjective /ˌʌnrɪˈmɪtɪŋ/

unremitting

ininterrompu
Meaning
Never relaxing or stopping; persistent.
Example
Her unremitting efforts finally paid off.
Ses efforts ininterrompus ont finalement porté leurs fruits.
B2 adjective /ʌnˈsuːtəbl/

Unsuitable

inapproprié; inapte
Meaning
not fitting or appropriate for a particular purpose or situation
Example
This formal dress is unsuitable for a casual beach party.
Cette robe formelle est inappropriée pour une fête de plage décontractée.
C1 adverb /ˌʌnkənˈvɛnʃənəli/

unconventionally

de manière non conventionnelle
Meaning
in a way that is not based on or conforming to accepted standards or norms
Example
She dresses unconventionally, mixing bold colors and patterns that surprise everyone.
Elle s'habille de manière non conventionnelle, mélangeant des couleurs et des motifs audacieux qui surprennent tout le monde.
C1 adjective /ʌnˈkɛmpt/

unkempt

désordonné
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
Il avait l'air désordonné après avoir dormi dehors toute la nuit.
A2 preposition /əˈpɒn/

upon

sur
Meaning
on or immediately after
Example
Upon hearing the news, he rushed to the hospital.
En entendant la nouvelle, il se précipita à l'hôpital.
A2 noun /ˌʌndərˈstændɪŋ/

understanding

compréhension
Meaning
the ability to grasp the meaning, significance, or nature of something
Example
Her understanding of the issue was impressive.
Sa compréhension du problème était impressionnante.
C2 adjective /ʌnˈwəʊntɪd/

unwonted

inhabituel
Meaning
Unusual, uncommon, or out of the ordinary.
Example
She spoke with an unwonted gentleness that surprised everyone.
Elle parla avec une douceur inhabituelle qui surprit tout le monde.
B1 adjective /ʌnˈeɪ.bəl/

Unable

incapable
Meaning
lacking the power, skill, or means to do something
Example
He was unable to attend the meeting.
Il était incapable d'assister à la réunion.
C2 verb /ˌʌn.dɪˈsiːv/

undeceive

désillusionner
Meaning
To free someone from a misconception or false belief.
Example
She tried to undeceive him about the false rumors.
Elle a essayé de le désillusionner au sujet des fausses rumeurs.
B2 noun /ˈɜː.dʒən.si/

Urgency

urgence
Meaning
the quality of requiring immediate action or attention; pressing importance
Example
The urgency of the situation required immediate medical attention.
L'urgence de la situation nécessitait une attention médicale immédiate.
C1 adjective /ˌʌnɪˈkwɪvəkəl/

unequivocal

sans équivoque
Meaning
Leaving no doubt; clear and unambiguous
Example
She gave an unequivocal answer to the question.
Elle a donné une réponse sans équivoque à la question.
B1 adjective /ˌʌnˈɪntrəstɪŋ/

uninteresting

ennuyeux
Meaning
not holding attention or curiosity; boring
Example
The lecture was uninteresting and difficult to stay focused on.
La conférence était ennuyeuse et difficile à suivre.
C1 noun /ʌnkənˈsɜːrn/

Unconcern

désintérêt
Meaning
lack of worry or interest; indifference
Example
She showed complete unconcern about the criticism.
Elle a montré un total désintérêt face à la critique.
B2 adjective /ˌʌnəˈweər/

Unaware

inconscient; ignorant; sans savoir
Meaning
not knowing or realizing; having no knowledge of something
Example
She was completely unaware of the danger.
Elle était complètement inconsciente du danger.
B1 adjective /ʌnˈlaɪk/

Unlike

différent; pas similaire
Meaning
different from; not similar to
Example
Unlike his brother, he prefers quiet activities.
Contrairement à son frère, il préfère les activités calmes.
B2 adjective /ˌʌndɪˈzaɪərəbl/

Undesirable

indésirable; nuisible; désagréable
Meaning
not wanted or wished for; harmful or unpleasant
Example
The new policy had several undesirable consequences.
La nouvelle politique a eu plusieurs conséquences indésirables.
B2 noun /ʌnˈkaɪndnəs/

unkindness

méchanceté
Meaning
lack of kindness; cruel or inconsiderate behavior
Example
His unkindness hurt her feelings deeply.
Sa méchanceté a profondément blessé ses sentiments.
B2 adjective /ʌnˈprɒf.ɪ.tə.bl̩/

Unprofitable

non rentable
Meaning
not yielding profit or gain; not producing financial benefit
Example
The unprofitable business was forced to close down after three years.
L'entreprise non rentable a été forcée de fermer après trois ans.
B1 verb /ʌnˈlɒk/

unlock

déverrouiller
Meaning
to open something that is locked; to make something accessible or available
Example
She used the key to unlock the door.
Elle a utilisé la clé pour déverrouiller la porte.
C1 adjective /ʌnˈɡɑː.dɪd/

Unguarded

sans défense, négligent
Meaning
not protected or defended; careless about revealing private thoughts or information
Example
In an unguarded moment, she revealed her true feelings about the project.
Dans un moment sans défense, elle a révélé ses véritables sentiments à propos du projet.
C2 verb /ˈʌndjʊleɪt/

undulate

onduler
Meaning
To move with a smooth, wave-like motion.
Example
The snake undulated across the sand.
Le serpent ondulait à travers le sable.
B2 adjective /ˌʌnəˈveɪləbəl/

unavailable

indisponible
Meaning
Not able to be obtained, reached, or used; not present or accessible.
Example
The manager was unavailable to take calls during the meeting.
Le directeur n'était pas disponible pour répondre aux appels pendant la réunion.
B2 adjective /ʌnprəˈfɛʃ.ən.əl/

Unprofessional

non professionnel
Meaning
not conforming to the standards expected in a particular profession
Example
His unprofessional behavior led to his dismissal from the company.
Son comportement non professionnel a conduit à son licenciement de l'entreprise.
B2 adjective /ʌnˈbiːtən/

Unbeaten

invaincu; non défait
Meaning
not defeated; having never lost; undefeated
Example
The team remains unbeaten this season.
L'équipe reste invaincue cette saison.
B1 noun /juːˈten.səlz/

Utensils

ustensiles
Meaning
tools or implements used for cooking, eating, or serving food
Example
Please wash all the cooking utensils after preparing dinner.
Veuillez laver tous les ustensiles de cuisine après avoir préparé le dîner.
C1 verb /ˌʌndərˈlaɪ/

underlie

sous-tendre
Meaning
to be the hidden cause or basis of something
Example
Strong cultural traditions underlie the community's practices.
De fortes traditions culturelles sous-tendent les pratiques de la communauté.
C2 verb /ʌnˈjoʊk/

unyoke

dételer
Meaning
To release from a yoke or to free from restraint or obligation.
Example
The farmer unyoked the oxen after a long day of work.
Le fermier a dételé les bœufs après une longue journée de travail.
C2 noun /ˌjuːnɪˈtɛəriən/

unitarian

unitaire
Meaning
A person who believes that God exists as one entity rather than as a Trinity; a member of a religious denomination that emphasizes individual freedom of belief.
Example
The Unitarian church is known for its inclusive and open-minded approach.
L'église unitaire est connue pour son approche inclusive et ouverte d'esprit.
B2 adjective /ˌjuːnɪˈvɜːrsəl/

Universal

universel
Meaning
applicable to all cases; existing everywhere
Example
Music is a universal language that everyone understands.
La musique est un langage universel que tout le monde comprend.
C2 noun /ɜːrˈbænɪti/

urbanity

urbanité
Meaning
refined courtesy, elegance, and sophistication in manner
Example
Her urbanity made her popular among diplomats and leaders.
Son urbanité la rendait populaire parmi les diplomates et les dirigeants.
B2 adverb /ˈʌt.ə.li/

Utterly

totalement; absolument; complètement
Meaning
completely; absolutely; totally
Example
The movie was utterly boring and I fell asleep.
Le film était complètement ennuyeux et je me suis endormi.
C2 adjective /ʌkˈsɔːriəs/

uxorious

excessivement dévoué à sa femme
Meaning
excessively fond of or submissive to one's wife
Example
He was so uxorious that he agreed with everything his wife said.
Il était tellement uxorien qu'il était d'accord avec tout ce que sa femme disait.
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

défavorable
Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
L'équipe a commencé son voyage sous des conditions météorologiques défavorables.
C1 adjective /ʌnˈkleɪmd/

Unclaimed

non réclamé; non demandé; abandonné ou sans propriétaire
Meaning
not claimed by anyone; not demanded or requested; abandoned or ownerless
Example
The unclaimed luggage was stored in the airport's lost property department.
Les bagages non réclamés ont été stockés dans le département des objets trouvés de l'aéroport.
C2 adjective /ʌnˈʌtərəbl/

unutterable

inexprimable
Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
Elle était remplie de joie inexprimable en apprenant la nouvelle de son succès.
B2 adjective /ʌnprɪˈpɛrd/

Unprepared

impréparé
Meaning
not ready or able to deal with something
Example
He was unprepared for the difficult exam.
Il était mal préparé pour l'examen difficile.
C1 adjective /ʌnˈsteɪtɪd/

unstated

non exprimé
Meaning
not expressed directly in words; implied or left unsaid
Example
The contract included several unstated expectations.
Le contrat incluait plusieurs attentes non exprimées.
B1 noun /ˈjuːs.fəl.nəs/

Usefulness

utilité
Meaning
the quality of being useful; practical value or helpfulness
Example
The usefulness of this tool became apparent during the project.
L'utilité de cet outil est devenue évidente pendant le projet.
B1 adjective /ˌʌnsəkˈsesfl/

Unsuccessful

échoué; raté;
Meaning
not achieving desired aims or results; failing to accomplish a purpose
Example
His unsuccessful attempt to climb the mountain left him disappointed.
Sa tentative échouée de gravir la montagne l'a laissé déçu.
B2 adjective /ʌnˌkənˈfɜːmd/

Unconfirmed

non confirmé; non vérifié;
Meaning
not confirmed as true or definite; not verified or substantiated
Example
The report remains unconfirmed until we receive official verification.
Le rapport reste non confirmé jusqu'à ce que nous recevions la vérification officielle.
C1 noun /ˌʌnbɪˈliːf/

Unbelief

incrédulité
Meaning
lack of religious belief; skepticism or doubt
Example
His unbelief in the supernatural made him a skeptic.
Son incrédulité face au surnaturel l'a transformé en un sceptique.
C1 adjective /ˌʌn.əˈdʌl.tə.reɪ.tɪd/

Unadulterated

pur
Meaning
not mixed or diluted with any different or extra elements; pure
Example
She felt unadulterated joy when she heard the news.
Elle a ressenti une joie pure lorsqu'elle a entendu la nouvelle.
B2 noun /ˈʌndərkləʊðz/

underclothes

sous-vêtements
Meaning
Clothing worn beneath outer clothes, such as underwear or lingerie
Example
He folded his underclothes neatly before packing them.
Il a plié ses sous-vêtements soigneusement avant de les ranger.
C1 adjective /ʌnˈvaɪəbl/

unviable

invivable
Meaning
Not capable of working successfully; not feasible or practical.
Example
The project was deemed unviable due to high costs.
Le projet a été jugé invivable en raison des coûts élevés.
C1 adjective /ˌʌnˈɪntɪmeɪtɪŋ/

unintimating

sans indices
Meaning
Not giving a hint or suggestion; not indicating.
Example
His unintimating tone gave no clue of his true feelings.
Son ton sans indices n'a donné aucun indice de ses véritables sentiments.
C1 adjective /ʌnˈɜːrθli/

unearthly

surnaturel
Meaning
Strange or unnatural in a way that seems not of this world
Example
The forest was filled with an unearthly glow.
La forêt était remplie d'une lueur surnaturelle.
C1 adjective /ʌnˈduː/

Undue

excessif; inapproprié; plus que ce qui est nécessaire ou approprié
Meaning
excessive; inappropriate; more than is necessary or proper
Example
The teacher complained about undue pressure from parents.
Le professeur s'est plaint de la pression excessive des parents.
C2 adjective /ˌʌnəˈsweɪdʒd/

unassuaged

inquiet
Meaning
Not made less intense or relieved; unrelieved.
Example
His grief remained unassuaged despite the passage of time.
Sa douleur est restée inquiète malgré le passage du temps.
C2 adjective /ʌnˈblʌʃɪŋ/

Unblushing

effronté; sans vergogne
Meaning
showing no shame or embarrassment; boldly shameless
Example
He told the unblushing lie without any hesitation.
Il a dit le mensonge effronté sans hésitation.
B2 adjective /ˌʌnkənˈtroʊld/

uncontrolled

incontrôlé
Meaning
not restrained or managed; lacking control
Example
The wildfire spread in an uncontrolled manner, causing widespread damage.
L'incendie de forêt s'est propagé de manière incontrôlée, causant des dommages étendus.
C1 verb /ˌʌn.dəˈtʃɑːrdʒ/

undercharge

facturer moins
Meaning
To charge less than the correct or fair amount.
Example
The shopkeeper accidentally undercharged me for the groceries.
Le commerçant m'a accidentellement facturé moins pour les courses.
B2 adjective /ˌʌndɪˈnaɪəbl/

Undeniable

indéniable
Meaning
impossible to deny or dispute; clearly true
Example
The evidence of his guilt was undeniable.
La preuve de sa culpabilité était indéniable.
C1 adjective /ʌnˈtɛnəbl/

untenable

intenable
Meaning
not able to be maintained or defended against attack or objection
Example
The politician resigned when his position became untenable.
Le politicien a démissionné lorsque sa position est devenue intenable.
A2 verb /ʌpˈdeɪt/

update

mettre à jour
Meaning
to make something more modern or current; to provide new information
Example
Please update your software regularly.
Veuillez mettre à jour votre logiciel régulièrement.
A1 verb /ˌʌndərˈstænd/

understand

comprendre
Meaning
to know the meaning of something; to comprehend
Example
Do you understand the instructions?
Comprenez-vous les instructions ?
C1 adjective /ʌnˈkæni/

uncanny

étrange
Meaning
Strange or mysterious, especially in an unsettling way.
Example
She has an uncanny ability to predict the future.
Elle a une étrange capacité à prédire l'avenir.
B2 verb /ɜːrdʒ/

urge

exhorter
Meaning
to strongly encourage or try to persuade someone to do something
Example
Doctors urge patients to exercise regularly.
Les médecins exhortent les patients à faire de l'exercice régulièrement.
B2 noun /ˌʌnəˌveɪləˈbɪləti/

unavailability

indisponibilité
Meaning
The state of being not available or not accessible.
Example
The unavailability of the manager caused a delay in the project.
L'indisponibilité du gestionnaire a causé un retard dans le projet.
C1 adjective /ˌjuːnɪˈlætərəl/

Unilateral

unilatéral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
Le pays a pris une décision unilatérale de se retirer du traité.
B1 verb /ˈʌpˌɡreɪd/

upgrade

mettre à jour
Meaning
to raise something to a higher standard, improve
Example
We decided to upgrade the software to the latest version.
Nous avons décidé de mettre à jour le logiciel vers la dernière version.
C2 adjective /ʌnˈstɪntɪŋ/

unstinting

généreux
Meaning
given generously without holding back
Example
She received unstinting support from her family.
Elle a reçu un soutien généreux de sa famille.
C1 noun /ˈʌp.ʃɒt/

Upshot

résultat; conclusion
Meaning
the final result or outcome of a series of events; conclusion
Example
The upshot of the meeting was a decision to postpone the project.
L'issue de la réunion a été une décision de reporter le projet.
C1 adjective /ʌnˈwɪtɪŋ/

unwitting

involontaire
Meaning
Not aware of what is happening; done without realizing.
Example
She became an unwitting participant in the scam.
Elle est devenue une participante involontaire dans l'escroquerie.
A2 adjective /ˈjuːs.ləs/

Useless

inutile
Meaning
having no beneficial purpose; not useful
Example
This broken computer is completely useless.
Cet ordinateur cassé est complètement inutile.
C1 noun /ˈʌp.rɔːr/

Uproar

tumulte; agitation; bruit
Meaning
a loud and emotional noise or disturbance; public outcry
Example
The announcement caused an uproar among the students.
L'annonce a provoqué un tumulte parmi les étudiants.
C1 verb /ˈʌndərkʌt/

undercut

sous-coter, affaiblir
Meaning
to sell at a lower price than a competitor; to weaken or undermine something
Example
The company tried to undercut its rivals by offering lower prices.
L'entreprise a tenté d'undercut ses rivaux en offrant des prix plus bas.
A1 adverb /ʌp/

up

en haut
Meaning
towards a higher position or level
Example
He climbed up the ladder quickly.
Il a monté rapidement l'échelle.
C1 adjective /ˌʌndərˈsteɪtɪd/

understated

sous-estimé
Meaning
Presented in a subtle and restrained way.
Example
She wore an elegant but understated dress.
Elle portait une robe élégante mais sous-estimée.
C2 adjective /ʌnˈkɒnʃənəbl/

unconscionable

injustifiable
Meaning
shockingly unfair or unreasonable
Example
The company made unconscionable profits from the crisis.
L'entreprise a réalisé des bénéfices injustifiables pendant la crise.
B1 adverb /ˌʌpsaɪd ˈdaʊn/

Upside-down

à l'envers
Meaning
with the upper part at the bottom; in or into a reversed position
Example
The picture was hanging upside-down on the wall.
L'image était accrochée à l'envers sur le mur.
A2 noun /ˈʌndərwɛr/

Under wear

sous-vêtements
Meaning
clothing worn under other clothes, next to the skin
Example
She bought new underwear from the department store.
Elle a acheté de nouveaux sous-vêtements au magasin.
C2 adjective /ʌnˈflɛdʒd/

unfledged

inexpérimenté
Meaning
Inexperienced, immature, or not fully developed.
Example
The unfledged writer struggled to complete his first novel.
L'écrivain inexpérimenté a eu du mal à terminer son premier roman.
B2 adjective /ʌnˈiːzi/

Uneasy

inquiet; anxieux; mal à l'aise
Meaning
worried; anxious; uncomfortable; restless
Example
She felt uneasy about walking alone at night.
Elle se sentait inquiète de marcher seule la nuit.
B2 adjective /ʌnˈfɪt/

Unfit

inapte; inapproprié;
Meaning
not in good physical condition; unsuitable or inappropriate
Example
He was declared unfit for military service due to his poor health.
Il a été déclaré inapte pour le service militaire en raison de sa mauvaise santé.
C2 adjective /ˌʌltrəˈmɒnteɪn/

ultramontane

partisan du Pape
Meaning
beyond the mountains, especially referring to support for the Pope over local church authority
Example
The debate highlighted the ultramontane position in church politics.
Le débat a mis en lumière la position ultramontaine dans la politique ecclésiastique.
C1 adjective ʌnɪnˈhæbɪtəbəl

uninhabitable

inhabitable
Meaning
Not suitable or safe for people to live in.
Example
Rapid urbanization can make cities uninhabitable.
L'urbanisation rapide peut rendre les villes inhabitables.
C2 verb /ʌpˈhiːv/

upheave

soulever
Meaning
to lift or raise something forcefully; to cause to rise suddenly
Example
The workers had to upheave the heavy stone to clear the path.
Les travailleurs ont dû soulever la grosse pierre pour dégager le chemin.
B2 adverb /ʌnˈkɒnʃəsli/

unconsciously

inconsciemment
Meaning
without being aware of one's actions or surroundings
Example
She unconsciously tapped her foot to the rhythm of the music.
Elle tapotait inconsciemment son pied au rythme de la musique.
C1 adjective /ʌnˈseɪvəri/

unsavory

désagréable
Meaning
Disagreeable, unpleasant, or morally offensive.
Example
The politician was linked to an unsavory scandal.
Le politicien était lié à un scandale désagréable.
C2 adjective /ˌʌn.rɪˈdʒɛn.ər.ət/

unregenerate

intransigeant
Meaning
Not reformed or showing no signs of change; stubbornly refusing to reform or repent.
Example
He remained an unregenerate opponent of progress.
Il est resté un opposant intransigeant du progrès.
C2 noun /ˈʌm.brə/

Umbra

ombre totale, région sombre d'une tache solaire
Meaning
the fully shaded inner region of a shadow cast by an opaque object; the dark center of a sunspot
Example
During the eclipse, we stood in the moon's umbra.
Pendant l'éclipse, nous nous sommes tenus dans l'ombre de la lune.
C1 adjective /ˌʌnɪnˈhɪbɪtɪd/

uninhibited

désinhibé
Meaning
Not restrained or restricted; free in behavior or expression.
Example
She gave an uninhibited laugh at the joke.
Elle a éclaté d'un rire désinhibé à la blague.
A2 adjective /ʌnˈkʌmf.tə.bəl/

Uncomfortable

inconfortable; gênant
Meaning
causing or feeling slight pain or physical discomfort; making someone feel embarrassed, awkward, or anxious
Example
The chair was so uncomfortable that I couldn't sit in it for more than ten minutes.
La chaise était tellement inconfortable que je ne pouvais pas m'asseoir dessus pendant plus de dix minutes.
B2 adjective /ʌnˈkwɒl.ɪ.faɪd/

Unqualified

incompétent; non qualifié;
Meaning
not having the necessary skills or qualifications; complete or absolute
Example
He was unqualified for the engineering position due to lack of experience.
Il était inqualifié pour le poste d'ingénieur en raison de son manque d'expérience.
B2 adjective /ʌnˈberəbəl/

Unbearable

insupportable
Meaning
too painful, annoying, or unpleasant to tolerate; impossible to endure
Example
The heat in the desert was unbearable.
La chaleur dans le désert était insupportable.
B1 adjective /ʌnˈlaɪkli/

Unlikely

improbable; peu probable
Meaning
not likely to happen; improbable
Example
It's unlikely to rain today with such clear skies.
Il est peu probable qu'il pleuve aujourd'hui avec un ciel aussi dégagé.
B2 adjective /ʌnfəˈmɪl.jər/

Unfamiliar

inconnu; étrange
Meaning
not known or recognized; strange
Example
The city was unfamiliar to me since I had never been there before.
La ville m'était inconnue car je n'y étais jamais allé avant.
C2 noun /ˈjuːzjuːfrʌkt/

usufruct

usufruit
Meaning
The legal right to use and enjoy the benefits of someone else’s property without owning it.
Example
The tenant had the usufruct of the land but not its ownership.
Le locataire avait l'usufruit de la terre mais pas sa propriété.
C1 adjective /ˌʌnrɪˈfaɪnd/

unrefined

non raffiné
Meaning
not processed or purified; lacking polish or sophistication
Example
The unrefined oil must be processed before it can be used as fuel.
Le pétrole non raffiné doit être traité avant d’être utilisé comme carburant.
B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

non fiable; ne peut être fait confiance ou dépendre de
Meaning
not dependable; not able to be trusted or relied upon
Example
The old car is unreliable and breaks down frequently.
La vieille voiture est peu fiable et tombe souvent en panne.
C2 adjective /ˌʌnpriːpəˈzɛsɪŋ/

unprepossessing

peu attrayant
Meaning
not attractive or appealing in appearance
Example
Despite his unprepossessing looks, he was very kind and intelligent.
Malgré son apparence peu attrayante, il était très gentil et intelligent.
B2 verb /ʌnˈkʌvə(r)/

uncover

découvrir
Meaning
to reveal something that was hidden or secret
Example
The investigation uncovered new evidence.
L'enquête a découvert de nouvelles preuves.
C1 noun /juːˈtoʊpiə/

utopia

utopie
Meaning
An imagined perfect society or place where everything is ideal.
Example
Many philosophers dreamed of creating a utopia for humanity.
De nombreux philosophes ont rêvé de créer une utopie pour l'humanité.
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

extrêmement drôle
Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
Les blagues du comédien étaient absolument extrêmement drôles.
B2 verb /ʌnˈfəʊld/

unfold

déplier ou ouvrir
Meaning
to open or spread out something that was folded; to gradually reveal or develop
Example
She unfolded the letter carefully.
Elle a soigneusement déplié la lettre.
C1 adjective /ʌnˈsəʊʃəl/

unsocial

asocial
Meaning
not enjoying the company of others; avoiding social interaction; contrary to social norms
Example
He prefers unsocial hours so he can work alone without interruptions.
Il préfère des horaires asociaux pour travailler seul.
C1 adjective /ˌʌnəˈkaʊntəbl/

unaccountable

inexplicable
Meaning
Not able to be explained or justified.
Example
She felt an unaccountable fear as she entered the dark room.
Elle ressentait une peur inexplicable en entrant dans la pièce sombre.
B1 adjective /ˌʌnɪmˈpɔːrtənt/

unimportant

sans importance
Meaning
not having much value, significance, or influence
Example
The detail seemed unimportant compared to the main issue.
Le détail semblait sans importance par rapport au problème principal.
C1 adjective /ˌʌnɪmˈplɔɪəbəl/

unemployable

inapte à l'emploi
Meaning
Not able to be employed; lacking the skills or qualities necessary for employment
Example
Due to his criminal record, he was considered unemployable in most companies.
En raison de son casier judiciaire, il était considéré comme inapte à l'emploi dans la plupart des entreprises.
B2 adjective /ˌʌndɪˈsaɪdɪd/

Undecided

indécis; incertain
Meaning
not having made a decision; uncertain
Example
She was undecided about which college to attend.
Elle était indécise sur quel collège fréquenter.
C1 adjective /ˌʌnkɒnstɪˈtuːʃənəl/

Unconstitutional

inconstitutionnel
Meaning
not in accordance with a political constitution; violating constitutional principles
Example
The court declared the new law unconstitutional.
Le tribunal a déclaré que la nouvelle loi était inconstitutionnelle.
B2 adjective /ʌnˈbaɪəst/

unbiased

impartiale
Meaning
Not showing prejudice; impartial and fair.
Example
The report gave an unbiased view of the situation.
Le rapport a donné un point de vue impartial de la situation.
C2 adjective /ɜːrˈbeɪn/

urbane

urbain
Meaning
showing polished manners, refinement, and sophistication
Example
He was an urbane gentleman who charmed everyone at the party.
C'était un gentleman urbain qui a charmé tout le monde à la fête.
B1 adjective /ʌnˈkʊkt/

uncooked

cru
Meaning
Not cooked; in a raw state.
Example
Eating uncooked meat can be dangerous.
Manger de la viande crue peut être dangereux.
B2 adjective /ʌnˈfeɪ.vər.ə.bəl/

Unfavourable

défavorable; adverse
Meaning
not helpful or advantageous; adverse
Example
The weather conditions were unfavourable for our outdoor event.
Les conditions météorologiques étaient défavorables pour notre événement extérieur.
A2 noun /ʌmˈbrɛlə/

umbrella

parapluie
Meaning
A device used for protection against rain or sun, typically consisting of a collapsible canopy mounted on a central rod.
Example
She opened her umbrella as it started to rain.
Elle a ouvert son parapluie quand il a commencé à pleuvoir.
C1 adjective /ˌʌnəˈdɔːrnd/

unadorned

simple, sans décorations
Meaning
Plain and simple; not decorated.
Example
The room was unadorned, with only a table and a chair.
La pièce était simple, avec seulement une table et une chaise.
C2 verb /juˈzɜrp/

usurp

usurper
Meaning
to take someone's position of power illegally or by force
Example
The general tried to usurp the king's throne.
Le général a tenté de usurper le trône du roi.
B2 adjective /ˌʌnˈnoʊ.tɪst/

Unnoticed

inaperçu; ignoré
Meaning
not seen or observed; ignored
Example
His hard work went unnoticed by his manager.
Son travail acharné est passé inaperçu par son manager.
C1 adjective /ˌʌnəbˈtruːsɪv/

unobtrusive

discret
Meaning
not attracting attention; blending in without causing notice
Example
The security cameras are designed to be unobtrusive.
Les caméras de sécurité sont conçues pour être discrètes.
B2 adjective /ˌʌn.əkˈsep.tə.bəl/

Unacceptable

inacceptable
Meaning
not satisfactory or allowable; not acceptable
Example
The quality of work was completely unacceptable.
La qualité du travail était complètement inacceptable.
B2 verb /ʌnˈveɪl/

unveil

dévoiler
Meaning
to reveal or disclose something, especially in a formal manner
Example
The company will unveil a new product next week.
L'entreprise dévoilera un nouveau produit la semaine prochaine.
C1 verb /ʌnˈrævəl/

unravel

démêler
Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
Le détective a travaillé dur pour démêler le mystère.
B1 adjective /ʌnˈnesəseri/

Unnecessary

inutile; superflu
Meaning
not needed; not required; pointless
Example
The meeting was unnecessary since all decisions were already made.
La réunion était inutile puisque toutes les décisions avaient déjà été prises.
C2 adjective /juːˈbɪkwɪtəs/

ubiquitious

omniprésent
Meaning
Present, appearing, or found everywhere.
Example
Smartphones have become ubiquitous in modern society.
Les smartphones sont devenus omniprésents dans la société moderne.
C2 noun /ˈʌŋkʃən/

unction

unction
Meaning
The act of anointing as part of a religious or ceremonial ritual; excessive or insincere flattery.
Example
The priest performed the holy unction with solemnity.
Le prêtre a accompli l'unction sacrée avec solennité.
B1 verb /ʌnˈræp/

unwrap

déballer
Meaning
remove wrapping or covering from something; reveal something gradually or clearly
Example
She carefully unwrapped the gift with excitement.
Elle a déballé le cadeau avec précaution et excitation.