unconventionally
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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.
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.
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.
C1 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

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

Unruly

désordonné; indiscipliné;
Meaning
difficult to control or manage; disorderly and disruptive
Example
The unruly crowd refused to follow the safety instructions.
La foule indisciplinée a refusé de suivre les instructions de sécurité.
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.
C1 verb /ʌnˈmɑːsk/

unmask

démasquer
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
L’enquête a permis de démasquer le vrai coupable du crime.
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.
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 /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.
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.
B2 adjective /ˈʌt.ɚ/

Utter

complet; absolu; total
Meaning
complete; absolute; total
Example
The movie was an utter disaster at the box office.
Le film était un désastre total au box-office.
C2 adjective /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 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.
B2 adjective /ˌjuːnɪˈvɜːrsəl/

Universal

universel
Meaning
applicable to all cases; existing everywhere
Example
Music is a universal language that everyone understands.
La musique est un langage universel que tout le monde comprend.
C1 noun /ˈʌlsər/

ulcer

ulcère
Meaning
a sore on the skin or a mucous membrane that does not heal easily
Example
The doctor prescribed medicine to treat the stomach ulcer.
Le médecin a prescrit des médicaments pour traiter l'ulcère de l'estomac.
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.
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.
B2 adjective /ʌnˈlɔːfl/

Unlawful

illégal; illicite
Meaning
not authorized by law; illegal
Example
The court declared the search unlawful.
Le tribunal a déclaré que la perquisition était illégale.
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 noun /ˈʌndərˌwɜːrld/

underworld

sous-monde
Meaning
The criminal world of organized crime or the mythical world of the dead.
Example
The detective spent years studying the secrets of the underworld.
Le détective a passé des années à étudier les secrets du sous-monde.
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.
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 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.
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.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

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

Unilateral

unilatéral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
Le pays a pris une décision unilatérale de se retirer du traité.
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 /ˌʌndɪˈveləpt/

Undeveloped

non développé; immature; primitif
Meaning
not yet developed; immature or primitive
Example
The undeveloped land was later turned into a park.
Le terrain non développé a été ensuite transformé en un parc.
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

extrêmement drôle
Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
Les blagues du comédien étaient absolument extrêmement drôles.
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.
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.
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 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 /ʌnˈsoʊld/

unsold

invendu
Meaning
not sold; remaining without a buyer
Example
The unsold goods were returned to the warehouse.
Les marchandises invendues ont été retournées à l’entrepôt.
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.
C1 verb /ʌnˈkɔrk/

uncork

déboucher
Meaning
To remove the cork from a bottle; to open a bottle, especially of wine
Example
He uncorked the wine and poured a glass for everyone.
Il a débouché le vin et a servi un verre à tout le monde.
C1 verb /ˌʌndərˈsɛl/

undersell

vendre à un prix inférieur
Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
Le magasin a vendu à ses rivaux à un prix inférieur en offrant de grosses réductions.
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.
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 /ʌnˈʌtərəbl/

unutterable

inexprimable
Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
Elle était remplie de joie inexprimable en apprenant la nouvelle de son succès.
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 noun ˈjuːnəti

unity

unité
Meaning
The state of being united or joined as a whole.
Example
Unity among people led to victory.
L'unité entre les gens a conduit à la victoire.
C1 verb /ˈʌndərkʌt/

undercut

sous-coter, affaiblir
Meaning
to sell at a lower price than a competitor; to weaken or undermine something
Example
The company tried to undercut its rivals by offering lower prices.
L'entreprise a tenté d'undercut ses rivaux en offrant des prix plus bas.
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 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.
C2 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

complet
Meaning
absolute; not lessened or moderated
Example
The meeting was an unmitigated disaster.
La réunion était un désastre complet.
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.
C2 adjective /ʌnˈɡeɪnli/

ungainly

maladroit
Meaning
Awkward, clumsy, or lacking grace in movement or appearance.
Example
The tall boy moved in an ungainly manner.
Le garçon grand s'est déplacé de manière maladroite.
B2 adjective /ʌnˈɑːrmd/

unarmed

désarmé
Meaning
Not equipped with or carrying weapons
Example
The police found the suspect unarmed during the search.
La police a trouvé le suspect désarmé pendant la fouille.
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 /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 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 verb /ʌnˈsɛtl/

unsettle

perturber
Meaning
To disturb or make someone feel anxious or uneasy.
Example
The sudden news unsettled the entire community.
La nouvelle soudaine a perturbé toute la communauté.
B2 adjective /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.
C1 adjective ʌnˈtʃɑːtɪd

uncharted

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

uncontrolled

incontrôlé
Meaning
not restrained or managed; lacking control
Example
The wildfire spread in an uncontrolled manner, causing widespread damage.
L'incendie de forêt s'est propagé de manière incontrôlée, causant des dommages étendus.
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.
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 /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.
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 /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.
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.
B2 verb ˈjuːnɪfaɪ

unify

unifier
Meaning
To make or become united, uniform, or whole; to bring together into a single unit.
Example
Adolescents unify with peers for social acceptance.
Les adolescents s'unifient avec leurs pairs pour l'acceptation sociale.
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 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.
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 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.
C1 adjective /ˌʌndərˈhændɪd/

underhanded

sournois
Meaning
acting or done in a dishonest or secret way
Example
They exposed the company's underhanded dealings with its suppliers.
Ils ont exposé les pratiques sournoises de l'entreprise avec ses fournisseurs.
C1 adjective /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 /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 /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.
B1 adjective /ʌnˈnesəseri/

Unnecessary

inutile; superflu
Meaning
not needed; not required; pointless
Example
The meeting was unnecessary since all decisions were already made.
La réunion était inutile puisque toutes les décisions avaient déjà été prises.
C2 noun /ˈɜːrtʃɪn/

urchin

gamin des rues
Meaning
a mischievous or poorly dressed child, often from the streets
Example
The ragged urchins played by the riverbank.
Les gamins en haillons jouaient au bord de la rivière.
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.
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.
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.
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.
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.
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.
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.
B1 adjective /ʌnˈsɜːrtən/

Uncertain

incertain
Meaning
not able to be relied on; not known or definite; not having reliable knowledge
Example
I am uncertain about my future career plans.
Je suis incertain de mes plans de carrière futurs.
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.
C2 adjective /ʌnˈkɒnʃənəbl/

unconscionable

injustifiable
Meaning
shockingly unfair or unreasonable
Example
The company made unconscionable profits from the crisis.
L'entreprise a réalisé des bénéfices injustifiables pendant la crise.
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 /ˈʌpˌkʌmɪŋ/

upcoming

à venir
Meaning
about to happen or appear
Example
The upcoming event will be held next week.
L'événement à venir aura lieu la semaine prochaine.
C1 verb /ʌnˈroʊl/

unroll

dérouler
Meaning
to open something that is rolled up; to spread out gradually
Example
She unrolled the map on the table to find the route.
Elle a déroulé la carte sur la table pour trouver l’itinéraire.
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.
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 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.
B2 adjective /ʌnˈfeɪ.vər.ə.bəl/

Unfavourable

défavorable; adverse
Meaning
not helpful or advantageous; adverse
Example
The weather conditions were unfavourable for our outdoor event.
Les conditions météorologiques étaient défavorables pour notre événement extérieur.
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.
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 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.
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.
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.
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.
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 adverb /ʌnˈfɛərli/

unfairly

injustement
Meaning
In a manner that is not just, reasonable, or impartial
Example
He was treated unfairly by the committee.
Il a été traité injustement par le comité.
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.
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 /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 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.
B2 noun /ʌnˈkɒnʃəsnəs/

unconsciousness

inconscience
Meaning
the state of being unaware of and unable to respond to one's surroundings
Example
After the accident, he was in a state of unconsciousness for several hours.
Après l'accident, il était dans un état d'inconscience pendant plusieurs heures.
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.
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 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 /ʌnˈsəʊʃəl/

unsocial

asocial
Meaning
not enjoying the company of others; avoiding social interaction; contrary to social norms
Example
He prefers unsocial hours so he can work alone without interruptions.
Il préfère des horaires asociaux pour travailler seul.
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 /ʌnˈɪndʒərd/

uninjured

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