Urgency
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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.
A1 adjective /juːzd/

used

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

uninjured

intacte
Meaning
Without injury; not physically harmed.
Example
All the passengers were rescued uninjured.
Tous les passagers ont été sauvés indemnes.
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 adjective /ʌnˈsəʊʃəbl/

unsociable

asocial
Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
Il est devenu asocial après avoir déménagé dans une nouvelle ville.
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 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 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.
B1 adjective /ʌnˈʃʊr/

unsure

incertain
Meaning
not certain or confident; feeling doubt
Example
She felt unsure about the decision.
Elle était incertaine à propos de la décision.
C2 verb /ʌnˈkaʊtʃ/

uncouch

retirer du canapé (usage rare)
Meaning
to remove from a couch or to release from being laid down (rare/archaic usage)
Example
The surgeon attempted to uncouch the cataract.
Le chirurgien a tenté d'enlever la cataracte.
B2 adjective /ˈʌt.moʊst/

Utmost

extrême; maximum
Meaning
greatest; most extreme; maximum possible
Example
She showed utmost care while handling the fragile items.
Elle a montré un soin extrême en manipulant les objets fragiles.
C2 verb /ʌnˈfɛtər/

unfetter

délier
Meaning
to release from restraint or restriction; to free
Example
The new law will unfetter small businesses from excessive regulations.
La nouvelle loi libérera les petites entreprises des régulations excessives.
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.
A2 noun /ˌʌpˈsteəz/

Upstairs

étage supérieur
Meaning
on or to an upper floor of a building; the upper floor or floors
Example
She went upstairs to her bedroom to rest.
Elle est montée à l'étage pour se reposer.
C1 adjective /ʌlˈtɪəriər/

ulterior

motif caché
Meaning
hidden or secret, often with a selfish motive
Example
He invited her with an ulterior motive.
Il l'a invitée avec un motif caché.
C1 adjective ˌʌn.pəˈtɜːbd

unperturbed

pas inquiet ou perturbé par quelque chose ; calme et composé
Meaning
Not worried or disturbed by something; calm and composed.
Example
She remained unperturbed despite the challenges.
Elle est restée calme malgré les défis.
C1 verb /ˌʌndəˈreɪt/

underrate

sous-estimer
Meaning
to fail to recognize the full value or importance of something or someone
Example
Many people underrate the benefits of regular exercise.
Beaucoup de gens sous-estiment les bienfaits de l'exercice régulier.
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.
B1 adjective /ʌnˈnoʊn/

Unknown

inconnu
Meaning
not known or identified; unfamiliar
Example
The author of this letter remains unknown.
L'auteur de cette lettre reste inconnu.
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.
C2 adjective /ʌnˈflæpəbəl/

unflappable

imperturbable
Meaning
calm and composed, especially in difficult situations
Example
Despite the crisis, he remained unflappable and confident.
Malgré la crise, il est resté imperturbable et confiant.
C1 adjective /ʌnˈspiːkəbl/

unspeakable

indicible
Meaning
too bad or shocking to be expressed in words
Example
The survivors endured unspeakable horrors during the war.
Les survivants ont enduré des horreurs indicibles pendant la guerre.
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.
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.
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.
C1 adjective /ʌnˈsiːmli/

unseemly

indécent
Meaning
Not proper or appropriate in behavior or appearance; unbecoming.
Example
His unseemly remarks embarrassed everyone at the dinner table.
Ses remarques indécentes ont embarrassé tout le monde à la table du dîner.
B1 noun /ˈjuːnɪvɜːrs/

Universe

univers
Meaning
all existing matter and space; the cosmos
Example
Scientists study the universe to understand its mysteries.
Les scientifiques étudient l'univers pour comprendre ses mystères.
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.
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.
A2 conjunction /ʌnˈlɛs/

unless

à moins que
Meaning
except if
Example
We won't go unless it stops raining.
Nous n'irons pas à moins qu'il ne cesse de pleuvoir.
B2 adjective /ˈʌl.tɪ.mət/

Ultimate

final; suprême; ultime
Meaning
being the best or most extreme example of its kind; final; last
Example
This is the ultimate test of your skills.
C'est le test ultime de vos compétences.
C1 adjective /ʌnˈsɪvəl/

Uncivil

incivil; impoli;
Meaning
not polite or courteous; rude and discourteous in behavior
Example
His uncivil remarks during the meeting offended everyone present.
Ses remarques inciviles lors de la réunion ont offensé tout le monde présent.
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.
A2 noun /ˈjuːzər/

user

utilisateur
Meaning
a person who uses or operates something
Example
He is a frequent user of this app.
Il est un utilisateur fréquent de cette application.
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 /ʌnˈfɔːltərɪŋ/

unfaltering

inébranlable
Meaning
Steady and resolute; not weakening or hesitating
Example
She continued with unfaltering determination.
Elle a continué avec une détermination inébranlable.
C1 adjective /ʌnˈsɪvəlaɪzd/

Uncivilized

non civilisé; sauvage;
Meaning
not developed in terms of civilization; lacking social organization and culture; barbarous
Example
The explorers encountered an uncivilized tribe deep in the Amazon rainforest.
Les explorateurs ont rencontré une tribu non civilisée au cœur de la forêt amazonienne.
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.
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.
C2 verb /ˈʌndərˌmæn/

underman

manquer de personnel
Meaning
to supply with fewer workers or personnel than needed
Example
The hospital was undermanned during the flu outbreak.
L'hôpital était sous-effectif pendant l'épidémie de grippe.
B1 adjective /ˈɜːrbən/

urban

urbain
Meaning
related to, characteristic of, or situated in a city or town
Example
Urban areas often have higher population density than rural areas.
Les zones urbaines ont souvent une densité de population plus élevée que les zones rurales.
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 adverb juːˈnæn.ɪ.məs.li

unanimously

unanime
Meaning
With the agreement of all people involved; without opposition.
Example
The proposal was unanimously accepted.
La proposition a été acceptée à l'unanimité.
B2 verb /ʌpˈhoʊld/

uphold

maintenir
Meaning
to maintain or support a principle, law, or decision
Example
The judge promised to uphold justice at all costs.
Le juge a promis de maintenir la justice à tout prix.
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.
B2 adjective /ʌnˈfeɪv(ə)rəbəl/

unfavorable

défavorable
Meaning
not beneficial or advantageous; showing disapproval or opposition
Example
The proposal received an unfavorable response from the committee.
La proposition a reçu une réponse défavorable du comité.
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.
A2 adjective /ˈʌɡ.li/

Ugly

laid; repoussant; horrible
Meaning
unpleasant or repulsive in appearance; morally reprehensible
Example
The old building looked ugly after years of neglect.
Le vieux bâtiment avait l'air laid après des années de négligence.
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.
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.
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.
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.
B1 adjective /ˌʌnɪkˈspektɪd/

Unexpected

inattendu; surprenant
Meaning
not expected or anticipated; surprising
Example
The unexpected news left everyone speechless.
Les nouvelles inattendues ont laissé tout le monde sans voix.
C1 adjective /ʌnˈkwaɪ.ət/

Unquiet

agité; anxieux; perturbé
Meaning
restless; unable to remain still or quiet; anxious or troubled
Example
She spent an unquiet night worrying about the exam results.
Elle a passé une nuit agitée à s'inquiéter des résultats de l'examen.
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.
B2 adjective /ʌnˈhɜːd/

Unheard

inouï; inconnu
Meaning
not heard or listened to; not given a hearing; unknown or unfamiliar
Example
His complaints went unheard by the management.
Ses plaintes sont passées inaperçues par la direction.
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.
C2 noun /juːˌtɪlɪˈtɛəriənɪzəm/

utilitarianism

utilitarisme
Meaning
The ethical theory that actions are right if they are useful or for the benefit of the majority.
Example
Utilitarianism suggests that we should act to maximize overall happiness.
L'utilitarisme suggère que nous devrions agir pour maximiser le bonheur global.
B2 adjective /ʌnˈθɪŋkəbl/

Unthinkable

impensable
Meaning
impossible to conceive or imagine; beyond belief or consideration
Example
It was unthinkable that such a tragedy could happen in our peaceful town.
Il était impensable qu'une telle tragédie puisse se produire dans notre ville paisible.
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 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.
B2 noun /ˈʌpˌkiːp/

up-keep

entretien
Meaning
The process or cost of maintaining something in good condition.
Example
The upkeep of the old house is very expensive.
L'entretien de la vieille maison est très cher.
C1 adjective /ʌnˈtaɪmli/

Untimely

prématuré
Meaning
happening at an inappropriate or inconvenient time; premature
Example
His untimely death at the age of thirty shocked everyone.
Sa mort prématurée à l'âge de trente ans a choqué tout le monde.
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.
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.
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.
C1 noun /ˈʌndərdɒɡ/

underdog

outsider
Meaning
a competitor thought to have little chance of winning; a weaker party in a contest
Example
The underdog team surprised everyone by winning the championship.
L'équipe outsider a surpris tout le monde en gagnant le championnat.
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.
B2 verb /ˌʌndərˈɛstɪmeɪt/

underestimate

sous-estimer
Meaning
To judge something as less important or smaller than it really is.
Example
Never underestimate the power of teamwork.
Ne sous-estimez jamais la puissance du travail d'équipe.
A1 verb /juːz/

use

utiliser
Meaning
to employ something for a purpose; to take advantage of
Example
I use my computer for work and entertainment.
J'utilise mon ordinateur pour travailler et me divertir.
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.
C1 verb /ʌnˈmɑːsk/

unmask

démasquer
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
L’enquête a permis de démasquer le vrai coupable du crime.
B1 adjective /ʌnˈmærid/

unmarried

célibataire
Meaning
Not married; single.
Example
He is thirty-five and still unmarried.
Il a trente-cinq ans et il est toujours célibataire.
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.
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.
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.
B1 adjective /ʌnˈfeər/

Unfair

injuste; déloyal;
Meaning
not right or just; treating people in a way that favors some over others
Example
It's unfair to blame her for something she didn't do.
C'est injuste de la blâmer pour quelque chose qu'elle n'a pas fait.
B2 adjective /ʌnˈfeɪθ.fəl/

Unfaithful

infidèle
Meaning
not loyal or true to a spouse, partner, or commitment
Example
He was unfaithful to his wife for many years.
Il a été infidèle à sa femme pendant de nombreuses années.
B1 adjective /juːˈnaɪtɪd/

United

unis; ensemble; d'accord
Meaning
joined together for a common purpose; in agreement
Example
The team was united in their goal to win.
L'équipe était unie dans son objectif de gagner.
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 verb /ˌʌndərˈɡoʊ/

undergo

subir
Meaning
to go through something, especially something unpleasant or difficult
Example
She had to undergo surgery to recover.
Elle a dû subir une chirurgie pour se rétablir.
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 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.
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.
B2 adjective /ʌnˌkənˈdɪʃ.ən.əl/

Unconditional

inconditionnel
Meaning
not subject to any conditions; complete and absolute
Example
She offered her unconditional support to her friend in need.
Elle a offert son soutien inconditionnel à son ami dans le besoin.
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 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

groupes défavorisés
Meaning
Groups of people who lack basic necessities or advantages that are available to other members of society.
Example
Underprivileged groups benefit from social initiatives.
Les groupes défavorisés bénéficient des initiatives sociales.
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 /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.
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.
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.
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.
C1 noun /ˌʌnprɪˈdɪktəˌbɪləti/

unpredictability

imprévisibilité
Meaning
The quality of being impossible to predict or anticipate.
Example
The unpredictability of the weather made the trip uncertain.
L'imprévisibilité du temps a rendu le voyage incertain.
C2 noun /ˈʌn.dɚˌstɔː.ri/

understory

végétation inférieure
Meaning
The layer of vegetation beneath the main canopy of a forest.
Example
The understory of a rainforest is home to small mammals and insects.
La végétation inférieure d'une forêt tropicale est le foyer de petits mammifères et d'insectes.
B1 adjective /ʌnˈplɛz.ənt/

Unpleasant

désagréable
Meaning
not giving or causing pleasure; disagreeable
Example
The medicine had an unpleasant taste.
Le médicament avait un goût désagréable.
C1 verb /ˌʌndərˈsteɪt/

understate

minimiser
Meaning
To describe something as being less important or serious than it really is.
Example
He tends to understate his achievements.
Il a tendance à minimiser ses réalisations.
C1 verb /ʌpˈruːt/

uproot

déraciner
Meaning
To pull something out of the ground; to remove or displace completely.
Example
They uprooted the old tree from the garden.
Ils ont déraciné l'arbre vieux du jardin.
C2 adjective /ˌʌnəˈʃʊəd/

unassured

incertain
Meaning
Lacking confidence or certainty.
Example
She gave an unassured answer during the interview.
Elle a donné une réponse incertaine lors de l'entretien.
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.
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 /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 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.
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.
C2 noun /juːˈkeɪs/

ukase

décret
Meaning
An authoritative decree or order, especially one issued by a sovereign or government.
Example
The czar issued a ukase restricting the freedom of the press.
Le tsar a émis un décret restreignant la liberté de la presse.
B2 adjective /ʌnˈkɒmən/

uncommon

inhabituel
Meaning
rare, unusual, or remarkable
Example
It is uncommon to see snow in this region.
Il est rare de voir de la neige dans cette région.
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 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.
C1 verb /ʌnˈsɛtl/

unsettle

perturber
Meaning
To disturb or make someone feel anxious or uneasy.
Example
The sudden news unsettled the entire community.
La nouvelle soudaine a perturbé toute la communauté.
B2 adjective /ʌnprəˈdʌk.tɪv/

Unproductive

improductif; inefficace
Meaning
not achieving much; not producing good results
Example
The meeting was unproductive and wasted everyone's time.
La réunion était improductive et a gaspillé le temps de tout le monde.
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 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.
C1 adjective /ˈʌndərhænd/

underhand

sournois
Meaning
done secretly and dishonestly; deceitful
Example
The politician was accused of using underhand tactics to win the election.
Le politicien a été accusé d'utiliser des tactiques sournoises pour gagner les élections.
C1 adjective /ˌʌndərˈhændɪd/

underhanded

sournois
Meaning
acting or done in a dishonest or secret way
Example
They exposed the company's underhanded dealings with its suppliers.
Ils ont exposé les pratiques sournoises de l'entreprise avec ses fournisseurs.
C1 adjective /ʌnˈsaɪtli/

unsightly

désagréable
Meaning
Unpleasant to look at; ugly.
Example
The garbage pile created an unsightly view in the park.
Le tas d'ordures a créé une vue désagréable dans le parc.
C1 adjective ʌnˈtʃɑːtɪd

uncharted

inexploré
Meaning
Not mapped or surveyed; unknown or unexplored.
Example
The mission aimed to explore uncharted areas of the planet.
La mission visait à explorer des zones inexplorées de la planète.
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 /ˈʌŋk.tʃu.əs/

unctuous

flatteur
Meaning
Excessively flattering or ingratiating; oily in texture.
Example
His unctuous tone made everyone uncomfortable.
Son ton flatteur a mis tout le monde mal à l'aise.
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 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.