unfriendly
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B1 adjective /ʌnˈfrɛndli/

unfriendly

peu aimable
Meaning
not kind or welcoming; hostile or cold in behavior or attitude
Example
The shop owner seemed unfriendly to new customers.
Le propriétaire du magasin semblait peu aimable envers les nouveaux clients.
B2 verb /ˈjuːtɪlaɪz/

utilize

utiliser
Meaning
to make practical or effective use of something
Example
The company aims to utilize solar energy for production.
L'entreprise vise à utiliser l'énergie solaire pour la production.
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.
B2 adjective /ʌnˈriːdəbl/

unreadable

illisible
Meaning
not able to be read or understood clearly; illegible
Example
The doctor’s handwriting was completely unreadable.
L’écriture du médecin était complètement illisible.
C2 adjective /ʌnˈɡeɪnli/

ungainly

maladroit
Meaning
Awkward, clumsy, or lacking grace in movement or appearance.
Example
The tall boy moved in an ungainly manner.
Le garçon grand s'est déplacé de manière maladroite.
C2 adjective /ʌnˈtiːtʃəbəl/

unteachable

impossible à enseigner
Meaning
not able or willing to learn; resistant to instruction or guidance
Example
He was so stubborn that he became almost unteachable.
Il était si têtu qu’il est devenu presque impossible à enseigner.
C2 noun /ˈʌmbrɪdʒ/

umbrage

mécontentement, offense
Meaning
A feeling of resentment or offense.
Example
She took umbrage at his rude remark.
Elle s'est vexée par sa remarque grossière.
C2 adjective /ˌʌnsɛrəˈmoʊniəs/

unceremonious

sans cérémonie/rude
Meaning
Done without formality or courtesy; abrupt or rude.
Example
He made an unceremonious exit from the party.
Il a fait une sortie sans cérémonie de la fête.
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.
C1 adjective ʌnˈskruːpjʊləs

unscrupulous

démoralisé
Meaning
Having or showing no moral principles; not honest or fair.
Example
Unscrupulous peers can lead adolescents to delinquency.
Les pairs démoralisés peuvent pousser les adolescents à la délinquance.
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.
C2 adjective /ʌnəˈpiːzd/

unappeased

insatisfait
Meaning
Not satisfied or calmed; still feeling discontent or anger
Example
Despite the apology, she remained unappeased.
Malgré les excuses, elle est restée insatisfaite.
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 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.
B2 adverb /ˈɜːrdʒəntli/

urgently

d'urgence
Meaning
in a way that requires immediate attention or action
Example
The patient urgently needs medical attention.
Le patient a besoin d'une attention médicale d'urgence.
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.
C2 adjective /juːˈnɪsənənt/

unisonant

harmonieux
Meaning
Sounding together or in harmony.
Example
The unisonant voices created a powerful effect.
Les voix harmonieuses ont créé un effet puissant.
C1 adjective /ˌʌnbɪˈkʌmɪŋ/

unbecoming

inapproprié
Meaning
Not proper or appropriate for a person; unsuitable.
Example
His rude behavior was unbecoming of a leader.
Son comportement grossier était inapproprié pour un leader.
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.
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 adjective /ʌnˈwel/

Unwell

malade; indisposé
Meaning
not in good health; feeling sick or ill
Example
She has been feeling unwell since yesterday.
Elle se sent mal depuis hier.
C1 noun /juːnəˈnɪməti/

Unanimity

unanimité
Meaning
complete agreement among all members of a group
Example
The committee reached unanimity on the new policy.
Le comité a atteint l'unanimité sur la nouvelle politique.
C1 noun /ˈʌndərˌstʌdi/

understudy

sous-distributeur
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
Le sous-distributeur a joué lorsque l'acteur principal est tombé malade.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

intouchable; au-delà de la critique ou de l'attaque
Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
Le PDG semblait intouchable malgré le scandale.
C1 noun /ˈʌndərˌɡɑːrmənt/

undergarment

vêtements de dessous
Meaning
a piece of clothing worn under outer clothes, usually next to the skin
Example
He bought new undergarments for the wedding.
Il a acheté de nouveaux vêtements de dessous pour le mariage.
C1 adjective /ʌnˈvɔɪst/

unvoiced

non exprimé
Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
L'étudiante a gardé son opinion non exprimée pendant la réunion.
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.
B1 adverb /ʌnˈjuːʒuəli/

unusually

de manière inhabituelle
Meaning
in a way that is not typical or expected; to an uncommon degree
Example
It was unusually cold for this time of year.
Il faisait inhabituellement froid pour cette période de l'année.
B1 adjective /juːˈniːk/

Unique

unique; singulier; rare
Meaning
being the only one of its kind; unlike anything else
Example
Every snowflake is unique in its pattern.
Chaque flocon de neige est unique dans son motif.
C2 verb /ʌnˈkloʊð/

unclothe

déshabiller; enlever les vêtements
Meaning
to remove clothing from someone or something
Example
The nurse helped unclothe the patient for the examination.
L'infirmière a aidé à déshabiller le patient pour l'examen.
B2 adverb /ˈʌltəmətli/

ultimately

finalement
Meaning
in the end, after everything else
Example
Ultimately, we decided to go ahead with the project.
Finalement, nous avons décidé de poursuivre le projet.
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.
C1 noun /ˈʌp.tɜːn/

upturn

amélioration
Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
L'entreprise a connu une amélioration des ventes le dernier trimestre.
C1 adjective ʌnˈwɔːr.rən.tɪd

unwarranted

injustifié
Meaning
Not justified or necessary; without good reason.
Example
His anger toward the staff was completely unwarranted.
Sa colère envers le personnel était complètement injustifiée.
B2 adjective /ˌʌnkənˈvɪnsɪŋ/

Unconvincing

invraisemblable
Meaning
failing to persuade or impress; not believable or credible
Example
His excuse for being late was completely unconvincing.
Son excuse pour être en retard était complètement invraisemblable.
B2 adverb /ʌnˈkaɪndli/

unkindly

cruellement
Meaning
in a cruel, harsh, or unsympathetic manner
Example
She spoke unkindly about her colleague during the meeting.
Elle a parlé cruellement de son collègue pendant la réunion.
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.
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 /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 /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

impardonnable
Meaning
too bad to be forgiven; inexcusable
Example
His betrayal of trust was an unpardonable offense.
Sa trahison était un délit impardonnable.
C1 noun /ˈʌp.raɪt.nəs/

Uprightness

rectitude; intégrité
Meaning
the quality of being honest and morally correct; integrity
Example
His uprightness in business dealings earned him great respect.
Sa droiture dans les affaires lui a valu un grand respect.
C2 adjective /ʌnˈtræməld/

untrammeled

liberté illimitée
Meaning
Not restricted or hampered; free and unrestricted.
Example
She enjoyed untrammeled freedom in her new life abroad.
Elle a apprécié la liberté illimitée dans sa nouvelle vie à l'étranger.
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.
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 /ˈʌndərˌwɜːrld/

underworld

sous-monde
Meaning
The criminal world of organized crime or the mythical world of the dead.
Example
The detective spent years studying the secrets of the underworld.
Le détective a passé des années à étudier les secrets du sous-monde.
C1 noun /ʌpˈhiːvəl/

upheaval

bouleversement
Meaning
a violent or sudden change or disruption to something
Example
The company faced a major upheaval after the sudden resignation of its CEO.
L'entreprise a connu un grand bouleversement après la démission soudaine de son PDG.
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.
A2 adjective /ʌnˈtaɪdi/

Untidy

désordonné; en désordre;
Meaning
not neat or orderly; messy and disorganized
Example
Her untidy room was filled with clothes scattered everywhere.
Sa chambre en désordre était remplie de vêtements éparpillés partout.
C1 adjective + noun ʌnˈpresɪdentɪd ˈnɒlɪdʒ

unprecedented knowledge

connaissance sans précédent
Meaning
Information or understanding that has never been obtained or achieved before.
Example
Artemis will provide unprecedented knowledge about the solar system.
Artemis fournira des connaissances sans précédent sur le système solaire.
C2 adjective /ˈʌndjʊləs/

undulous

ondulé
Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
L'artiste a peint la mer ondulée au coucher du soleil.
C1 adjective /ˌʌnfɔːrθˈkʌmɪŋ/

unforthcoming

réticent
Meaning
Not willing to talk or provide information; uncooperative.
Example
The witness was unforthcoming about what he had seen.
Le témoin était réticent à propos de ce qu'il avait vu.
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.
C2 adjective /ʌnˈælɔɪd/

unalloyed

pur
Meaning
Pure, complete, and not mixed with anything else.
Example
She felt unalloyed joy at the news of her success.
Elle a ressenti une joie pure en entendant la nouvelle de son succès.
C2 verb /ʌnˈɑːrm/

unarm

désarmer
Meaning
to remove weapons from someone or to deprive of means of attack or defense
Example
The soldiers were ordered to unarm the prisoners.
Les soldats ont reçu l'ordre de désarmer les prisonniers.
C2 noun /ˈʌŋɡwənt/

unguent

onguent
Meaning
A soothing or healing ointment applied to the skin.
Example
The doctor applied an unguent to heal the burn.
Le médecin a appliqué un onguent pour guérir la brûlure.
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.
B2 verb /ˌʌndərˈskɔːr/

underscore

souligner
Meaning
to emphasize or highlight something
Example
The incident underscored the need for better safety measures.
L'incident a souligné la nécessité de meilleures mesures de sécurité.
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.
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.
A2 adjective /ʌnˈhæp.i/

Unhappy

mécontent; triste
Meaning
not happy; feeling sad or displeased; unfortunate or undesirable
Example
He was unhappy with the results of his exam.
Il était mécontent des résultats de son examen.
C2 verb /ʌnˈfrɒk/

unfrock

dévêtir un prêtre de sa position
Meaning
To remove a priest from his position or deprive someone of a rank.
Example
The corrupt priest was unfrocked after the investigation.
Le prêtre corrompu a été défroqué après l'enquête.
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.
B1 adjective /ˈɜːrdʒənt/

Urgent

urgent
Meaning
requiring immediate action or attention; pressing
Example
The patient needs urgent medical attention.
Le patient a besoin d'une attention médicale urgente.
B2 adjective /ˈʌt.ɚ/

Utter

complet; absolu; total
Meaning
complete; absolute; total
Example
The movie was an utter disaster at the box office.
Le film était un désastre total au box-office.
C1 adjective /ʌnˈtoʊld/

Untold

innombrable; infini
Meaning
very great in amount or degree; countless; immeasurable
Example
The earthquake caused untold damage to the city.
Le tremblement de terre a causé des dommages innombrables à la ville.
B2 adjective /ʌnˈsiːn/

Unseen

invisible; non vu ou remarqué auparavant
Meaning
not previously seen or noticed; invisible; hidden
Example
The unseen forces of nature can be very powerful.
Les forces invisibles de la nature peuvent être très puissantes.
C1 verb /ˌʌndərˈsɛl/

undersell

vendre à un prix inférieur
Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
Le magasin a vendu à ses rivaux à un prix inférieur en offrant de grosses réductions.
A1 preposition/conjunction /ʌnˈtɪl/

until

jusqu'à
Meaning
up to the time of
Example
I will wait until you come back.
J'attendrai jusqu'à ce que tu reviennes.
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.
B2 noun /ˌʌndəˈɡrædʒuət/

undergraduate

étudiant de premier cycle
Meaning
a student who has not yet earned a bachelor's degree
Example
She is an undergraduate studying computer science.
Elle est une étudiante de premier cycle étudiant en informatique.
C1 noun ˈʌp.raɪ.zɪŋ

uprising

soulèvement
Meaning
An act of resistance or rebellion; a revolt against an authority or government.
Example
The uprising marked the beginning of the revolution.
Le soulèvement a marqué le début de la révolution.
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.
A1 adjective /juːzd/

used

usé
Meaning
having already been used
Example
This is a used car.
C'est une voiture usée.
B2 noun /ʌnˈrest/

Unrest

agitation; troubles; désordre social ou politique
Meaning
a state of dissatisfaction and disturbance; social or political disorder
Example
The economic crisis led to widespread social unrest.
La crise économique a conduit à une agitation sociale généralisée.
B1 adjective /ʌnˈklɪər/

unclear

peu clair
Meaning
not easy to understand; vague or ambiguous
Example
The instructions were unclear, so I asked for clarification.
Les instructions étaient peu claires, alors j'ai demandé des clarifications.
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 verb /ˌʌndərˈɡɜːrd/

undergird

soutenir, renforcer
Meaning
to provide support or foundation for; to strengthen
Example
Strong values undergird a healthy society.
Les valeurs fortes soutiennent une société saine.
C2 noun /ˈʌp.wel.ɪŋ/

upwelling

Un phénomène océanographique impliquant le mouvement de l'eau dense, froide et riche en nutriments vers la surface de l'océan.
Meaning
An oceanographic phenomenon that involves wind-driven motion of dense, cooler, and nutrient-rich water towards the ocean surface.
Example
Upwelling brings nutrients to the ocean surface.
L'upwelling apporte des nutriments à la surface de l'océan.
B1 verb /juˈnaɪt/

unite

unir
Meaning
to join together or combine; to bring people or things together
Example
The crisis helped unite the community.
La crise a aidé à unir la communauté.
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.
B2 noun /ʌnˈsɜːrtənti/

Uncertainty

incertitude; doute ou manque de certitude
Meaning
the state of being uncertain; doubt or lack of sureness
Example
The uncertainty about the weather delayed our trip.
L'incertitude sur la météo a retardé notre voyage.
C1 noun /ˌjuːnɪˈfɔːrməti/

Uniformity

uniformité; consistance; égalité
Meaning
the quality of being uniform; consistency or sameness
Example
The uniformity of the design created a pleasing visual effect.
L'uniformité du design a créé un effet visuel attrayant.
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.
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.
B2 adjective /ʌnˈriːzənəbəl/

unreasonable

déraisonnable
Meaning
not guided by reason or fairness; excessive or extreme beyond what is acceptable
Example
The manager made an unreasonable demand that no one could realistically meet.
Le manager a fait une demande déraisonnable.
C2 noun /ˈʌndərlɪŋ/

underling

subordonné
Meaning
a person of low rank or importance; a subordinate
Example
The manager ordered his underlings to finish the task quickly.
Le directeur a ordonné à ses subordonnés de terminer rapidement la tâche.
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

ultramondain
Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
Les philosophes discutent souvent des réalités ultramondaines au-delà de la perception humaine.
B2 adjective /ʌnˈsteɪbəl/

Unstable

instable
Meaning
likely to change; not steady or secure; unsteady
Example
The unstable economy made people worried about their jobs.
L'économie instable a rendu les gens inquiets au sujet de leurs emplois.
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 adjective /ˌʌndərˈstændəbl/

understandable

compréhensible
Meaning
Able to be understood; reasonable or justifiable.
Example
Her reaction was understandable given the situation.
Sa réaction était compréhensible étant donné la situation.
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.
B2 adjective /ʌnˈraɪp/

Unripe

immature
Meaning
not fully developed or matured; not ready to be eaten
Example
The unripe bananas will turn yellow in a few days.
Les bananes non mûres deviendront jaunes dans quelques jours.
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

avec incertitude
Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
Elle a regardé les instructions compliquées avec incertitude.
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 /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.
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.
C1 adjective /ʌnˈtaɪərɪŋ/

Untiring

inlassable; persévérant; infatigable
Meaning
continuing without stopping; persistent; tireless
Example
Her untiring efforts finally led to success.
Ses efforts inlassables ont finalement conduit au succès.
B2 adjective /ˈjuː.nɪ.faɪd/

unified

unifié
Meaning
Made into a whole or joined together.
Example
A unified approach fosters better outcomes.
Une approche unifiée favorise de meilleurs résultats.
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.
B2 adjective /ˌʌnˈkɔːrdɪneɪtɪd/

uncoordinated

désordonné; non coordonné
Meaning
lacking coordination, not well-organized or clumsy in movement
Example
His movements were uncoordinated, making him prone to accidents.
Ses mouvements étaient désordonnés, ce qui le rendait sujet aux accidents.
C2 noun /ˌjuːzɜːrˈpeɪʃən/

usurpation

usurpation
Meaning
The act of taking someone's power or property illegally or by force.
Example
The general's usurpation of the presidency led to political unrest.
L'usurpation de la présidence par le général a conduit à des troubles politiques.
C1 noun /ˈjuːnɪsən/

unison

à l'unisson
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
Le chœur a chanté à l'unisson.
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.
C1 adjective /ʌnˈsɜːrvɪsəbəl/

Unserviceable

hors service; défectueux
Meaning
not in working order; unable to be used; defective
Example
The old computer became unserviceable after the system crash.
L'ancien ordinateur est devenu hors service après la panne du système.
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 adjective /ʌnˈedjʊkeɪtɪd/

Uneducated

analphabète; non éduqué
Meaning
lacking education; not having received formal schooling or training
Example
Many uneducated workers struggle to find well-paying jobs.
Beaucoup de travailleurs analphabètes ont du mal à trouver des emplois bien rémunérés.
C2 adjective /ʌnˈfeɪnd/

unfeigned

authentique
Meaning
genuine; not pretended or insincere
Example
She expressed unfeigned joy at her friend's success.
Elle a exprimé une joie authentique lors du succès de son amie.
C1 verb /ˌʌndərˈvæljuː/

undervalue

sous-estimer
Meaning
To assign too low a value or importance to something or someone.
Example
She felt that her boss consistently undervalued her contributions.
Elle sentait que son patron ne valorisait pas constamment ses contributions.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

unicellulaire
Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
Les amibes sont des organismes unicellulaires.
C1 adjective /ʌnˈhoʊli/

Unholy

impie; pervers; profane
Meaning
wicked; sinful; profane
Example
The unholy alliance between the two companies caused public outrage.
L'alliance impie entre les deux entreprises a provoqué un outrage public.
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

non reconnu
Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
Ses contributions au projet sont restées non reconnues.
C1 adjective /ʌnˈtʃælɪndʒd/

Unchallenged

incontesté; accepté sans opposition; sans rival
Meaning
not disputed or questioned; accepted without opposition; having no rival
Example
He remained the unchallenged champion for five years.
Il est resté le champion incontesté pendant cinq ans.
B2 adjective /ʌnˈdɪvaɪdɪd/

Undivided

Indivisé; complet; pas séparé ou divisé
Meaning
whole; complete; not separated or split
Example
The team showed undivided attention to the coach's instructions.
L'équipe a montré une attention indivisée aux instructions de l'entraîneur.
B2 adjective /ʌnˈtʃeɪndʒɪŋ/

unchanging

inchangé
Meaning
remaining the same over time; not changing
Example
Her love for her family was unchanging throughout the years.
Son amour pour sa famille est resté inchangé au fil des ans.
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.
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.
C2 adjective /ˌʌnɪkˈsɛpʃənəbl/

unexceptionable

irréprochable
Meaning
Not open to objection; acceptable and unobjectionable
Example
His behavior was unexceptionable throughout the event.
Son comportement était irréprochable tout au long de l'événement.
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.
B2 adjective /ˌʌnəˈfɪʃ.əl/

Unofficial

non officiel
Meaning
not officially authorized or confirmed; informal
Example
The unofficial results showed a close race.
Les résultats non officiels ont montré une course serrée.
C1 adjective /ˌʌnsəˈfɪstɪˌkeɪtɪd/

unsophisticated

non sophistiqué
Meaning
Lacking worldly experience, refinement, or complexity.
Example
The villagers led an unsophisticated but happy life.
Les villageois menaient une vie non sophistiquée mais heureuse.
C2 adjective /ʌnˈwiːldi/

unwieldy

difficile à manipuler
Meaning
Difficult to carry or move because of its size, shape, or weight.
Example
The box was too unwieldy to carry up the stairs.
La boîte était trop difficile à manipuler pour être montée dans les escaliers.