unresolved
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B2 adjective /ˌʌnrɪˈzɒlvd/

unresolved

non résolu
Meaning
not solved or settled; remaining undecided or unclear
Example
The dispute remains unresolved despite several meetings.
Le conflit reste non résolu malgré plusieurs réunions.
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.
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.
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 adjective ʌnˈmætʃt

unmatched

incomparable
Meaning
Not equaled or rivaled by any other; without equal.
Example
The freedom fighters showed unmatched bravery.
Les combattants de la liberté ont montré un courage incomparable.
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.
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.
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.
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.
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 /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 /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 /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.
B2 noun /ˈʌndərˌteɪkɪŋ/

undertaking

entreprise
Meaning
A task, project, or responsibility that someone agrees to do.
Example
Starting a new company is a difficult undertaking.
Lancer une nouvelle entreprise est une entreprise difficile.
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.
B2 adjective /ʌnˈbæləns/

Unbalanced

déséquilibré; instable
Meaning
not balanced; lacking stability or equilibrium; mentally unstable
Example
The unbalanced table kept wobbling.
La table déséquilibrée continua à osciller.
B2 adverb /ʌnˈwɪlɪŋli/

unwillingly

à contrecœur
Meaning
in a way that shows reluctance or lack of desire; not willingly
Example
She unwillingly agreed to attend the meeting.
Elle a accepté à contrecœur d'assister à la réunion.
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 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.
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.
B2 adjective /ʌnˈskɪld/

Unskilled

non qualifié; travailleur sans compétences
Meaning
lacking technical training or ability; not requiring special skills
Example
Many unskilled workers are looking for training opportunities.
De nombreux travailleurs non qualifiés recherchent des opportunités de formation.
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.
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.
C1 adjective /ʌnˈkɒm.prə.maɪ.zɪŋ/

Uncompromising

intransigeant, inflexible
Meaning
unwilling to change one's views or to agree about something; showing an unwillingness to make concessions to others
Example
He was uncompromising in his demand for a full apology.
Il était intransigeant dans sa demande d'excuses complètes.
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.
B2 verb /ˌʌndərˈmaɪn/

undermine

saper
Meaning
to gradually weaken or damage something or someone
Example
Constant criticism can undermine a child's confidence.
Les critiques constantes peuvent saper la confiance d'un enfant.
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.
B2 adjective /ˌʌn.kəʊˈɒp.ər.ə.tɪv/

uncooperative

non coopératif
Meaning
not willing to help or work with others; unhelpful
Example
The witness was uncooperative and refused to answer questions.
Le témoin était non coopératif et a refusé de répondre aux questions.
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.
B1 adjective /ˌʌnbɪˈliːvəbəl/

Unbelievable

incroyable
Meaning
impossible to believe; extremely surprising or remarkable
Example
The magician's performance was absolutely unbelievable.
La performance du magicien était absolument incroyable.
B2 adjective /ˌʌnɪnˈtenʃənəl/

Unintentional

involontaire; accidentel
Meaning
not done on purpose; accidental
Example
The damage to the car was unintentional.
Les dégâts à la voiture étaient involontaires.
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 /ʌnˈsʌlid/

unsullied

immaculé
Meaning
not spoiled or made impure; perfectly clean or pure
Example
His reputation remained unsullied despite the accusations.
Sa réputation est restée immaculée malgré les accusations.
C1 adjective /ʌnˈmaɪndfəl/

Unmindful

négligent; inattentif;
Meaning
not paying attention; careless; heedless
Example
She was unmindful of the danger around her.
Elle ne faisait pas attention au danger autour d'elle.
C1 adjective /ʌnˈmænɪdʒəbəl/

Unmanageable

ingérable; hors de contrôle
Meaning
difficult or impossible to control or handle
Example
The large class became unmanageable without proper supervision.
La grande classe est devenue ingérable sans une supervision adéquate.
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 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.
C1 noun /ʌnɪmˈpɔːrtəns/

unimportance

insignifiance
Meaning
the state or quality of being insignificant or not important
Example
He dismissed the issue with a sense of unimportance.
Il a rejeté la question avec un sentiment de non-importance.
C1 adjective /ʌnˈkwes.tʃən.ə.bl̩/

Unquestionable

indiscutable; certain
Meaning
not able to be disputed or doubted; certain and beyond doubt
Example
Her honesty and integrity are unquestionable qualities.
Son honnêteté et son intégrité sont des qualités indiscutables.
B1 noun /ʌnˈhæp.i.nəs/

unhappiness

malheur
Meaning
the state of being unhappy; sadness or dissatisfaction
Example
Her constant unhappiness affected everyone around her.
Son malheur constant affectait tous ceux qui l'entouraient.
C1 verb /ʌnˈɜːθ/

unearth

déterrer
Meaning
To dig up from the ground or to discover something hidden.
Example
Archaeologists unearthed ancient artifacts at the site.
Les archéologues ont déterré des artefacts anciens sur le site.
A1 pronoun /ʌs/

us

nous
Meaning
used to refer to the speaker and one or more other people as the object of a verb or preposition
Example
She gave us a gift.
Elle nous a donné un cadeau.
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 /ˌʌndərˈsaɪzd/

undersized

sous-dimensionné
Meaning
Smaller than the usual or expected size.
Example
The undersized puppy struggled to keep up with its siblings.
Le chiot sous-dimensionné avait du mal à suivre ses frères et sœurs.
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.
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.
B1 adjective /ʌnɪmˈplɔɪd/

Unemployed

chômeur
Meaning
without a job; not having paid work
Example
He has been unemployed for six months now.
Il est au chômage depuis six mois.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

unicellulaire
Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
Les amibes sont des organismes unicellulaires.
C2 verb /ʌpˈbreɪd/

upbraid

réprimander
Meaning
To scold or criticize someone harshly.
Example
The teacher upbraided the student for being late again.
Le professeur a réprimandé l'élève pour être encore en retard.
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.
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.
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.
C2 noun /ˈjuːʒəri/

usury

usure
Meaning
The practice of lending money at unreasonably high interest rates.
Example
The law strictly prohibits usury.
La loi interdit strictement l'usure.
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 /ˈʌpˌhɪl/

Uphill

difficile; nécessitant un grand effort; en pente ascendante
Meaning
difficult; requiring great effort; sloping upward
Example
Learning a new language can be an uphill battle.
Apprendre une nouvelle langue peut être une bataille difficile.
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 /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 /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 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.
C1 adjective /ʌnˈskeɪðd/

unscathed

sain et sauf
Meaning
Without suffering any injury, damage, or harm.
Example
She escaped from the accident unscathed.
Elle a échappé à l'accident saine et sauve.
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.
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.
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.
B1 adjective /ʌnˈwɒn.tɪd/

Unwanted

indésirable
Meaning
not desired or welcome; not wanted
Example
He felt like an unwanted guest at the meeting.
Il se sentait comme un invité indésirable à la réunion.
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.
B1 adjective /ʌnˈjuzd/

Unused

non utilisé; inutilisé
Meaning
not being used; not having been used before
Example
There are many unused rooms in this old mansion.
Il y a beaucoup de pièces inutilisées dans ce vieux manoir.
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.
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 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.
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.
B1 adjective /ʌnˈtru/

Untrue

faux; incorrect
Meaning
not true; false; incorrect
Example
His statement about the incident was completely untrue.
Sa déclaration sur l'incident était complètement fausse.
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 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.
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 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.
C1 adjective /ʌnˈʃeɪkən/

Unshaken

inquétable; ferme
Meaning
not disturbed or affected; firm and steady; unwavering
Example
Her faith remained unshaken despite all the challenges.
Sa foi est restée inébranlable malgré tous les défis.
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.
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.
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.
A1 interjection /ʌ/

uh

euh
Meaning
a sound people make when they hesitate or are unsure what to say next.
Example
Uh, I’m not sure if that’s the right answer.
Euh, je ne suis pas sûr si c'est la bonne réponse.
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 /ˌʌndərˈlaɪɪŋ/

underlying

sous-jacent
Meaning
basic or hidden but important; forming the foundation of something
Example
The underlying reason for the conflict was never addressed.
La raison sous-jacente du conflit n'a jamais été abordée.
A1 adverb /ˈjuː.ʒu.ə.li/

Usually

habituellement; normalement
Meaning
in most cases; generally; as a rule
Example
I usually wake up at 7 AM every morning.
Je me réveille généralement à 7 h tous les matins.
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 adjective /ʌnˈdʒʌst/

Unjust

injuste; incorrecte
Meaning
not fair or right; morally wrong
Example
The punishment was unjust for such a minor offense.
La punition était injuste pour une infraction mineure.
B2 verb /ˌʌndərˈteɪk/

undertake

entreprendre
Meaning
to commit to and begin a task or project; to take on responsibility
Example
She decided to undertake a challenging project.
Elle a décidé de entreprendre un projet difficile.
B1 adjective /ˈʌpər/

upper

supérieur
Meaning
higher in position or rank
Example
The upper floor of the building is under renovation.
Le étage supérieur du bâtiment est en rénovation.
C1 adjective /ˌʌnbɪˈliːvɪŋ/

unbelieving

incrédule
Meaning
Not willing or able to believe; skeptical or doubtful
Example
She gave him an unbelieving look when he claimed to have met a celebrity.
Elle lui a lancé un regard incrédule lorsqu'il a affirmé avoir rencontré une célébrité.
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.
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.
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.
B2 noun ˌjuːtɪlaɪˈzeɪʃən

utilization

utilisation
Meaning
The action of making practical and effective use of something.
Example
Increased plastic utilization calls for better waste management.
L'augmentation de l'utilisation du plastique nécessite une meilleure gestion des déchets.
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 /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.
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.
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.
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.
C1 adjective /ʌnˈθɪŋkɪŋ/

unthinking

irréfléchi
Meaning
done without careful thought; automatic or thoughtless
Example
His unthinking remark hurt her feelings.
Sa remarque irréfléchie a blessé ses sentiments.
B2 adjective /ʌn.rɪˈleɪ.tɪd/

Unrelated

sans rapport; non lié
Meaning
having no connection or relationship; not connected by family ties
Example
The two incidents were completely unrelated to each other.
Les deux incidents étaient complètement sans rapport entre eux.
B2 verb /ʌnˈtaɪ/

untie

délier
Meaning
to loosen or remove a knot or binding; to release something that is tied
Example
She untied the rope to free the boat.
Elle a délié la corde pour libérer le bateau.
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 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 /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 /ʌnˈwɪl.ɪŋ/

Unwilling

réticent; récalcitrant;
Meaning
not ready to do something; reluctant; not wanting to do
Example
He was unwilling to share his secret with anyone.
Il ne voulait pas partager son secret avec qui que ce soit.
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.
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 adjective /ˈʌpˌraɪt/

Upright

honnête et moralement correct; vertical ou dressé en position
Meaning
honest and morally correct; vertical or erect in position
Example
She is known for being an upright and honest businesswoman.
Elle est connue pour être une femme d'affaires honnête et droite.
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.
C2 adjective /ʌnˈspɛərɪŋ/

unsparing

implacable
Meaning
Showing no mercy or generosity; harsh or severe.
Example
The critic was unsparing in his review of the play.
Le critique était implacable dans sa critique de la pièce.
C2 adjective ˌʌn.əˈseɪ.lə.bəl

unassailable

inaccessible
Meaning
Unable to be attacked, questioned, or defeated.
Example
An unassailable position ensures dominance.
Une position inaccessible assure la domination.
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.
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 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.
C1 adjective /ʌnˈbraɪdld/

unbridled

déraisonné
Meaning
Uncontrolled and unrestrained.
Example
The protesters showed unbridled enthusiasm for change.
Les manifestants ont montré un enthousiasme débridé pour le changement.
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 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 /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 /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.
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.
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.
B1 adjective /ʌnˈpɒpjʊlə/

unpopular

impopulaire
Meaning
not liked or supported by many people
Example
The decision was unpopular with the public.
La décision était impopulaire auprès du public.