unrefined
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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 /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.
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.
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.
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.
C1 adjective /ʌnˈkuːθ/

uncouth

grossier
Meaning
Lacking good manners, refinement, or grace; awkward or rough.
Example
His uncouth behavior shocked the guests at the party.
Son comportement grossier a choqué les invités à la fête.
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.
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 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 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 /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 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.
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 /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.
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 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.
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.
C1 noun /ˈʌndərˌteɪkər/

undertaker

employé des pompes funèbres
Meaning
A person whose job is to prepare the dead for burial and arrange funerals.
Example
The undertaker prepared the body for the funeral service.
L'employé des pompes funèbres a préparé le corps pour le service funéraire.
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.
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 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 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 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.
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.
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.
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.
B1 adjective ʌnˈplænd

unplanned

non planifié
Meaning
Not planned or arranged in advance; happening spontaneously without preparation.
Example
Unplanned urbanization contributes to environmental issues.
L'urbanisation non planifiée contribue à des problèmes environnementaux.
C1 adjective /ˌjuːtɪlɪˈtɛəriən/

utilitarian

utilitaire
Meaning
Designed to be useful or practical rather than attractive; relating to the doctrine that actions are right if they are useful or for the benefit of a majority.
Example
The building had a simple utilitarian design.
Le bâtiment avait une conception utilitaire simple.
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.
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.
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.
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.
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.
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.
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 /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.
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 /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 /ˌʌnəˈsjuːmɪŋ/

unassuming

modeste
Meaning
Not pretentious or arrogant; modest.
Example
Despite his success, he remained unassuming and humble.
Malgré son succès, il est resté modeste et humble.
C1 adjective /ˌʌnprɪˈtɛnʃəs/

unpretentious

modeste
Meaning
modest; not attempting to impress others with appearance or importance
Example
She lives in an unpretentious home but is very happy.
Elle vit dans une maison modeste mais est très heureuse.
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.
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 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.
C1 adjective /ʌnˈkʌltʃəd/

Uncultured

incivilisé; sans éducation
Meaning
lacking good manners, refinement, or education; uncivilized
Example
His uncultured behavior embarrassed everyone at the dinner party.
Son comportement incivilisé a embarrassé tout le monde à la fête.
B2 adjective /ʌnˈɡreɪt.fəl/

Ungrateful

ingrat
Meaning
not feeling or showing thanks for something done or given; not appreciating kindness
Example
She felt he was ungrateful for all the help she had given him.
Elle sentit qu'il était ingrat pour toute l'aide qu'elle lui avait donnée.
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 /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.
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.
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.
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.
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.
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.
B2 adjective /ˌʌnkənˈvɛnʃənl/

unconventional

non conventionnel
Meaning
not based on or conforming to what is generally done or believed
Example
Her unconventional approach to teaching inspired her students to think creatively.
Son approche pédagogique non conventionnelle a inspiré ses élèves à penser de manière créative.
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.
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.
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.
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 /ʌnˈlɪmɪtɪd/

unlimited

illimité
Meaning
without any limits or restrictions
Example
The internet plan offers unlimited data for the whole month.
Le plan Internet offre des données illimitées pendant tout le mois.
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 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

complet
Meaning
absolute; not lessened or moderated
Example
The meeting was an unmitigated disaster.
La réunion était un désastre complet.
B1 adjective /ʌnˈkaɪnd/

Unkind

cruel; pas gentil
Meaning
cruel; not nice or caring toward others
Example
It was unkind of him to make fun of her appearance.
C'était cruel de sa part de se moquer de son apparence.
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.
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 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.
B2 adjective /ʌnˈiːvən/

Uneven

irrégulier; rugueux
Meaning
not level or smooth; not regular or consistent
Example
The road was uneven and full of potholes.
La route était irrégulière et pleine de nids-de-poule.
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.
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.
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 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.
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.
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 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.
B2 adjective /ʌnˈtʃeɪndʒəbəl/

Unchangeable

inchangable; fixe;
Meaning
not able to be changed or altered; fixed and permanent
Example
The laws of physics are unchangeable principles that govern the universe.
Les lois de la physique sont des principes inchangables qui gouvernent l'univers.
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 /ʌnˈstɛdi/

unsteady

instable
Meaning
not firm or stable; likely to change or fail
Example
She felt unsteady on her feet after the long journey.
Elle se sentait instable après le long voyage.
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.
B1 adjective /ʌnˈjuː.ʒu.əl/

Unusual

inhabituel; étrange;
Meaning
not typical; strange; different from what is normal
Example
She wore an unusual dress to the party.
Elle portait une robe inhabituelle à la fête.
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.
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 /ʌnˈfɛtərd/

unfettered

libéré
Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
L'artiste a apprécié la liberté illimitée d'expression.
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.
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 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.
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.
A1 noun /ˈʌŋkəl/

uncle

oncle
Meaning
the brother of one's father or mother
Example
My uncle is visiting us next week.
Mon oncle nous rendra visite la semaine prochaine.
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.
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.
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.
A2 adjective /ʌnˈlʌki/

Unlucky

malchanceux; de mauvaise chance
Meaning
having bad luck; unfortunate
Example
He was unlucky to miss the winning shot.
Il était malchanceux de manquer le tir gagnant.
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 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.
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 adjective /ʌnˈdɔːntɪd/

Undaunted

Intrépide; courageux; indomptable;
Meaning
not intimidated or discouraged by difficulty, danger, or disappointment
Example
Despite the setbacks, she remained undaunted in pursuing her goals.
Malgré les revers, elle est restée intrépide dans la poursuite de ses objectifs.
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.
A2 noun /ˈjuːnɪt/

unit

unité
Meaning
an individual thing or person regarded as a single and complete entity
Example
Each unit in the production line is carefully tested.
Chaque unité de la ligne de production est soigneusement testée.
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

irréprochable
Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
Elle est connue pour son honnêteté irréprochable.
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.
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.
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.
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 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.
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.
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 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.
C1 noun /ˌʌl.tɪˈmeɪ.təm/

Ultimatum

ultimatum
Meaning
a final demand or statement of terms, the rejection of which will result in retaliation
Example
The boss gave him an ultimatum: improve or be fired.
Le patron lui a donné un ultimatum : améliorez-vous ou vous serez renvoyé.
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.
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.
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 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 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 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.
B1 adjective /ʌnˈseɪf/

Unsafe

dangereux; risqué;
Meaning
involving or causing danger or risk; not protected from harm
Example
It is unsafe to walk alone in this neighborhood at night.
Il est dangereux de marcher seul dans ce quartier la nuit.
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.
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.
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.
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.
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.
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.
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.
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.