unconventional
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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.
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.
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.
C1 adjective ʌnˈpær.ə.leld

Unparalleled

incomparable
Meaning
Having no equal; unmatched, peerless, and supreme in quality or achievement.
Example
The unparalleled beauty of the Taj Mahal amazes visitors.
La beauté incomparable du Taj Mahal émerveille les visiteurs.
B2 adjective /ʌnhaɪˈdʒiːnɪk/

Unhygienic

insalubre; manque de propreté
Meaning
not clean; lacking proper sanitation
Example
The restaurant was closed due to unhygienic conditions in the kitchen.
Le restaurant a été fermé en raison de conditions insalubres dans la cuisine.
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.
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.
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.
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.
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.
B2 noun /ʌnˈkaɪndnəs/

unkindness

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

Undisturbed

ininterrompu
Meaning
not interrupted or interfered with; calm and peaceful
Example
She slept undisturbed for eight hours.
Elle a dormi huit heures sans être dérangée.
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 /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.
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 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.
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 adverb /ʌnˈɜːrɪŋli/

unerringly

sans erreur
Meaning
Without making any mistakes; always accurate
Example
The archer aimed unerringly at the target.
L'archer a visé sans erreur la cible.
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 adjective /ˌʌnəˈfɛktɪd/

unaffected

insensible, naturel
Meaning
Not influenced or touched by something; genuine and natural.
Example
He remained unaffected by the criticism and kept working hard.
Il est resté impassible face à la critique et a continué à travailler dur.
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.
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.
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 adjective /ˌʌndərˈsteɪtɪd/

understated

sous-estimé
Meaning
Presented in a subtle and restrained way.
Example
She wore an elegant but understated dress.
Elle portait une robe élégante mais sous-estimée.
C2 adjective /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.
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.
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.
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.
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.
A2 noun /ˈʌndərweər/

underwear

sous-vêtements
Meaning
Clothing worn beneath outer clothes, typically next to the skin.
Example
He bought new underwear for the trip.
Il a acheté de nouveaux sous-vêtements pour le voyage.
B2 verb /ʌnˈveɪl/

unveil

dévoiler
Meaning
to reveal or disclose something, especially in a formal manner
Example
The company will unveil a new product next week.
L'entreprise dévoilera un nouveau produit la semaine prochaine.
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.
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.
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.
C2 noun /ˈjuːnɪvəˌlɛns/

univalence

univalence
Meaning
The state of having a single valence or combining power, especially in chemistry.
Example
Hydrogen is characterized by its univalence in chemical reactions.
L'hydrogène est caractérisé par son univalence dans les réactions chimiques.
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 /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.
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 verb /ʌnˈlɒk/

unlock

déverrouiller
Meaning
to open something that is locked; to make something accessible or available
Example
She used the key to unlock the door.
Elle a utilisé la clé pour déverrouiller la porte.
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.
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.
C2 adjective /ˌʌn.təˈwɔːrd/

untoward

inattendu
Meaning
Unexpected and inappropriate or inconvenient.
Example
The meeting ended without any untoward incidents.
La réunion s'est terminée sans incidents inattendus.
C1 adjective /ˌʌndərɪkˈspoʊzd/

underexposed

peu exposé, négligé
Meaning
insufficiently exposed to light (in photography) or not given enough attention
Example
The photo was underexposed and looked too dark.
La photo était sous-exposée et paraissait trop sombre.
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.
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 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.
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 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 /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.
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.
B2 noun /ˈjuː.sɪdʒ/

Usage

utilisation
Meaning
the action of using something; the way in which words are used in a language
Example
The dictionary explains the correct usage of difficult words.
Le dictionnaire explique l'utilisation correcte des mots difficiles.
B2 adjective /ʌnˈwaɪz/

unwise

imprudent
Meaning
Showing poor judgment; not sensible or prudent.
Example
It would be unwise to invest all your money in one company.
Il serait imprudent d'investir tout votre argent dans une seule entreprise.
C2 noun juːˈbɪkwɪti

ubiquity

ubiquité
Meaning
The fact of appearing everywhere or of being very common.
Example
The ubiquity of smartphones has transformed communication.
L'ubiquité des smartphones a transformé la communication.
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.
B2 adjective /ʌnˈrɪəl/

unreal

irréel
Meaning
not real or not based on reality; exaggerated or imaginary
Example
The experience felt unreal after the sudden news.
L’expérience semblait irréelle après la nouvelle soudaine.
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.
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.
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 noun /ʌnˈkloʊðɪŋ/

unclothing

déshabillage
Meaning
the act or process of removing clothing
Example
The child quickly ran inside for unclothing after playing in the mud.
L'enfant est rapidement allé à l'intérieur pour le déshabillage après avoir joué dans la boue.
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.
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.
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 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 /ʌnˈiːkwəl/

Unequal

inégal; injuste;
Meaning
not the same in quantity, size, or value; not fair or just
Example
The distribution of wealth is unequal in many countries.
La distribution de la richesse est inégale dans de nombreux pays.
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 /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.
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.
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 /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.
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.
C1 adjective ʌnˈjiːl.dɪŋ

unyielding

inébranlable ou ferme
Meaning
Not easily broken or giving in to pressure.
Example
Her unyielding determination helped her overcome all challenges.
Sa détermination inébranlable l'a aidée à surmonter tous les défis.
B1 noun /ˈjuːs.fəl.nəs/

Usefulness

utilité
Meaning
the quality of being useful; practical value or helpfulness
Example
The usefulness of this tool became apparent during the project.
L'utilité de cet outil est devenue évidente pendant le projet.
B1 adjective /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.
A1 adjective /ˈjuːs.fəl/

Useful

utile; pratique
Meaning
having a beneficial purpose; practical
Example
This tool is very useful for fixing problems.
Cet outil est très utile pour résoudre des problèmes.
B2 verb /ʌnˈkʌvə(r)/

uncover

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

Unconscious

inconscient; évanoui
Meaning
not awake and aware of one's surroundings; done or existing without one realizing
Example
The patient was unconscious for several hours after the surgery.
Le patient était inconscient pendant plusieurs heures après l'opération.
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.
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.
B2 noun /juːˈtɪl.ə.ti/

Utility

utilité; bénéfice; service public
Meaning
the state of being useful, profitable, or beneficial; a public service
Example
The utility of solar panels increases with rising electricity costs.
L'utilité des panneaux solaires augmente avec la hausse des coûts de l'électricité.
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.
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 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.
A2 noun /ˌʌndərˈstændɪŋ/

understanding

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

unmodified

non modifié
Meaning
not changed from its original form or state
Example
The data was used in its unmodified form for analysis.
Les données ont été utilisées sous leur forme non modifiée.
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 /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.
A1 adjective /juːzd/

used

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

unability

incapacité
Meaning
the state of being unable to do something; incapacity
Example
His unability to solve the problem caused delays in the project.
Son incapacité à résoudre le problème a causé des retards dans le projet.
B2 adverb /ˈʌt.ə.li/

Utterly

totalement; absolument; complètement
Meaning
completely; absolutely; totally
Example
The movie was utterly boring and I fell asleep.
Le film était complètement ennuyeux et je me suis endormi.
B2 adjective /ʌnˈwel.kəm/

Unwelcome

désagréable; non désiré; indésirable
Meaning
not wanted or accepted; not invited or pleasant
Example
The unwelcome news ruined their vacation plans.
Les mauvaises nouvelles ont ruiné leurs plans de vacances.
C1 adjective /ˌʌnrɪˈkwaɪtɪd/

unrequited

non réciproque
Meaning
Not returned or reciprocated, especially in the context of love or affection.
Example
He suffered from unrequited love for years.
Il a souffert d'un amour non réciproque pendant des années.
C2 verb /ˌʌn.dɪˈsiːv/

undeceive

désillusionner
Meaning
To free someone from a misconception or false belief.
Example
She tried to undeceive him about the false rumors.
Elle a essayé de le désillusionner au sujet des fausses rumeurs.
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.
C1 adjective /ˌʌnfɔːrˈsiːn/

unforeseen

Meaning
Not anticipated or predicted; unexpected.
Example
The project faced unforeseen challenges that delayed its completion.
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 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.
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 /ʌnˈstɪntɪŋ/

unstinting

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

unreality

irréalité
Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
Le décor onirique a donné à l’histoire un sentiment d’irréalité.
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.
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 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 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.
B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

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

Unblushing

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