upgrade
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN Anglais BN Bengali HI Hindi ES Espagnol FR Français DE Allemand RU Russe ZH Chinois JA Japonais
All Vocabulary Cards All Vocabularies
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 /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 /ʌnˈseɪvəri/

unsavory

désagréable
Meaning
Disagreeable, unpleasant, or morally offensive.
Example
The politician was linked to an unsavory scandal.
Le politicien était lié à un scandale désagréable.
C1 adjective + 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.
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.
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.
C2 verb /ʌnˈɑːrm/

unarm

désarmer
Meaning
to remove weapons from someone or to deprive of means of attack or defense
Example
The soldiers were ordered to unarm the prisoners.
Les soldats ont reçu l'ordre de désarmer les prisonniers.
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.
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 /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.
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 /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.
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 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.
C1 adjective /ʌnˈɒnəd/

unhonoured

déshonoré
Meaning
not respected or given the recognition that is deserved; treated without honor
Example
He felt unhonoured after his years of service were ignored.
Il s’est senti déshonoré lorsque ses années de service ont été ignorées.
A2 adjective /ʌnˈhæp.i/

Unhappy

mécontent; triste
Meaning
not happy; feeling sad or displeased; unfortunate or undesirable
Example
He was unhappy with the results of his exam.
Il était mécontent des résultats de son examen.
A2 adjective /ʌnˈhel.θi/

Unhealthy

malsain; pas sain
Meaning
harmful to health; not in good health; detrimental to well-being
Example
Eating too much fast food is unhealthy for your body.
Manger trop de fast food est malsain pour ton corps.
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 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.
A1 adverb /ʌp/

up

en haut
Meaning
towards a higher position or level
Example
He climbed up the ladder quickly.
Il a monté rapidement l'échelle.
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 /ˈʌndərˌstʌdi/

understudy

sous-distributeur
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
Le sous-distributeur a joué lorsque l'acteur principal est tombé malade.
B2 adjective /juːˈnæn.ɪ.məs/

Unanimous

unanime
Meaning
fully in agreement; shared by all
Example
The committee reached a unanimous decision.
Le comité a pris une décision unanime.
C2 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

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

Unnatural

non naturel
Meaning
not existing in nature; artificial; forced
Example
The actor's smile looked unnatural and forced.
Le sourire de l’acteur semblait non naturel et forcé.
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.
C2 adjective /ˈʌndjʊleɪtɪŋ/

undulating

ondulant
Meaning
Having a smoothly rising and falling form or motion like waves.
Example
We drove through undulating hills.
Nous avons conduit à travers des collines ondulantes.
A1 preposition /ˈʌndər/

under

sous
Meaning
in or to a lower position than something
Example
The cat is under the table.
Le chat est sous la table.
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.
B2 adjective /ʌnˈiːzi/

Uneasy

inquiet; anxieux; mal à l'aise
Meaning
worried; anxious; uncomfortable; restless
Example
She felt uneasy about walking alone at night.
Elle se sentait inquiète de marcher seule la nuit.
C2 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 /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.
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.
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.
B1 adjective /ˈjuːnɪfɔːrm/

Uniform

uniforme
Meaning
consistent; identical; standardized
Example
All students must wear a uniform to school.
Tous les étudiants doivent porter un uniforme à l'école.
C1 adjective /ˈʌpərˌmoʊst/

uppermost

le plus élevé
Meaning
situated at the highest place or most important
Example
Her family's safety was uppermost in her mind during the crisis.
La sécurité de sa famille était la priorité dans son esprit pendant la crise.
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.
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.
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.
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.
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.
C2 adjective /ˌʌnəˈsweɪdʒd/

unassuaged

inquiet
Meaning
Not made less intense or relieved; unrelieved.
Example
His grief remained unassuaged despite the passage of time.
Sa douleur est restée inquiète malgré le passage du temps.
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 /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.
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.
B2 adjective /ʌnˈendɪŋ/

Unending

sans fin
Meaning
continuing forever; without end
Example
The unending rain made the day feel gloomy.
La pluie sans fin a rendu la journée morose.
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.
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.
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 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.
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.
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 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.
C2 noun /ˈjuːzjuːfrʌkt/

usufruct

usufruit
Meaning
The legal right to use and enjoy the benefits of someone else’s property without owning it.
Example
The tenant had the usufruct of the land but not its ownership.
Le locataire avait l'usufruit de la terre mais pas sa propriété.
C2 adjective /ˈɜːrsaɪn/

ursine

ursidé
Meaning
Relating to or resembling a bear.
Example
The man’s ursine strength amazed everyone.
La force ursidé de l'homme a étonné tout le monde.
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 /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.
B2 adjective /ˌʌnprɪˈdɪktəbəl/

unpredictable

imprévisible
Meaning
not able to be predicted; changing suddenly and unexpectedly
Example
The weather in this region is highly unpredictable.
Le climat de cette région est très imprévisible.
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.
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.
C2 verb /ʌnˈfrɒk/

unfrock

dévêtir un prêtre de sa position
Meaning
To remove a priest from his position or deprive someone of a rank.
Example
The corrupt priest was unfrocked after the investigation.
Le prêtre corrompu a été défroqué après l'enquête.
C1 adjective 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.
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.
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.
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.
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.
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.
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.
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

avec incertitude
Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
Elle a regardé les instructions compliquées avec incertitude.
B1 noun /ˌʌnɪmˈplɔɪmənt/

Unemployment

chômage
Meaning
the state of being unemployed; lack of paid work
Example
The unemployment rate has increased significantly this year.
Le taux de chômage a augmenté de manière significative cette année.
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.
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.
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.
C1 adjective /ʌnˈhoʊli/

Unholy

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

unattainable

inaccessible
Meaning
impossible to achieve, reach, or accomplish
Example
For many, becoming a professional athlete remains an unattainable dream.
Pour beaucoup, devenir un athlète professionnel reste un rêve inaccessible.
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.
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 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.
B1 adverb /ʌnˈfɔːrtʃənətli/

Unfortunately

Malheureusement
Meaning
used to express regret or disappointment about something
Example
Unfortunately, the weather was bad for our picnic.
Malheureusement, le temps était mauvais pour notre pique-nique.
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.
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 noun /ˌʌnəˌveɪləˈbɪləti/

unavailability

indisponibilité
Meaning
The state of being not available or not accessible.
Example
The unavailability of the manager caused a delay in the project.
L'indisponibilité du gestionnaire a causé un retard dans le projet.
A2 verb /ʌpˈset/

upset

contrarier
Meaning
to make someone worried, sad, or angry; to disturb
Example
The bad news upset everyone.
Les mauvaises nouvelles ont upset tout le monde.
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 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 /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 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.
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.
C2 noun/verb /ˈʌpˌkæst/

upcast

lancer vers le haut
Meaning
Verb: To cast or throw upward. Noun: Something thrown or directed upward.
Example
The fisherman upcast his net into the air.
Le pêcheur a lancé son filet dans les airs.
B1 adjective /ˌʌnˈpeɪd/

Unpaid

non payé; sans salaire
Meaning
not paid for; without payment or salary
Example
She worked as an unpaid intern for six months.
Elle a travaillé comme stagiaire non payée pendant six mois.
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 /ʌkˈsɔːriəs/

uxorious

excessivement dévoué à sa femme
Meaning
excessively fond of or submissive to one's wife
Example
He was so uxorious that he agreed with everything his wife said.
Il était tellement uxorien qu'il était d'accord avec tout ce que sa femme disait.
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.
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.
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.
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.
C2 adjective /ˌʌnɪkˈsɛpʃənəbl/

unexceptionable

irréprochable
Meaning
Not open to objection; acceptable and unobjectionable
Example
His behavior was unexceptionable throughout the event.
Son comportement était irréprochable tout au long de l'événement.
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.
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.
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.
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.
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.
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.
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.
A2 noun /ˈʌndərwɛr/

Under wear

sous-vêtements
Meaning
clothing worn under other clothes, next to the skin
Example
She bought new underwear from the department store.
Elle a acheté de nouveaux sous-vêtements au magasin.
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.
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 adjective /ʌnˈvɔɪst/

unvoiced

non exprimé
Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
L'étudiante a gardé son opinion non exprimée pendant la réunion.
C1 adjective /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.
B1 adjective /ʌnˈkʊkt/

uncooked

cru
Meaning
Not cooked; in a raw state.
Example
Eating uncooked meat can be dangerous.
Manger de la viande crue peut être dangereux.
B2 adjective /ʌnˈhɛlpfəl/

unhelpful

inutile
Meaning
not providing help or support; making a situation harder rather than easier
Example
His unhelpful attitude slowed down the entire project.
Son attitude inutile a ralenti tout le projet.
B1 adverb /ʌnˈjuːʒuəli/

unusually

de manière inhabituelle
Meaning
in a way that is not typical or expected; to an uncommon degree
Example
It was unusually cold for this time of year.
Il faisait inhabituellement froid pour cette période de l'année.
B1 adjective /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.
B2 adjective /ʌnˈwɜːrði/

Unworthy

indigne; sans valeur
Meaning
not deserving respect or attention; lacking worth or merit
Example
He felt unworthy of such praise and recognition.
Il se sentait indigne de tant d'éloges et de reconnaissance.