out-of-the-way
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
C1 adjective /ˌaʊt əv ðə ˈweɪ/

out-of-the-way

éloigné ou inhabituel
Meaning
remote or unusual; not in a convenient or usual location
Example
They stayed in an out-of-the-way village.
Ils sont restés dans un village éloigné.
A2 noun /ˈɒm.lət/

Omelet

omelette
Meaning
a dish made from beaten eggs cooked in a frying pan and often folded around a filling
Example
She made a cheese omelet for breakfast.
Elle a préparé une omelette au fromage pour le petit déjeuner.
B2 noun /ˈɑp.tə.mɪst/

Optimist

optimiste
Meaning
a person who tends to be hopeful and confident about the future; someone who sees the good side of things
Example
As an optimist, she always believed things would improve.
En tant qu'optimiste, elle a toujours cru que les choses s'amélioreraient.
B2 adjective /ˌoʊvərˈwɛlmɪŋ/

overwhelming

accablant
Meaning
Very intense; overpowering.
Example
Large tasks can feel overwhelming.
Les grandes tâches peuvent sembler accablantes.
A1 adverb /ˈɔːfən/

often

souvent
Meaning
frequently, many times
Example
I often visit my grandparents on weekends.
Je visite souvent mes grands-parents le week-end.
B2 adjective /ˈɔɪl.i/

Oily

huileux; recouvert d'huile; gras
Meaning
covered with oil; containing oil; greasy
Example
Her oily skin needs special care.
Sa peau huileuse a besoin de soins spéciaux.
B2 noun /ˌɒb.zəˈveɪ.ʃənz/

observations

observation
Meaning
The action or process of observing something carefully.
Example
Observations of distant galaxies provide new insights.
Les observations des galaxies lointaines offrent de nouvelles perspectives.
C1 noun ˌoʊ.vɚˈɡreɪ.zɪŋ

overgrazing

surpâturage
Meaning
The practice of allowing livestock to graze to the point of damaging vegetation.
Example
Overgrazing leads to soil erosion and loss of biodiversity.
Le surpâturage conduit à l'érosion des sols et à la perte de biodiversité.
C2 noun /ˈoʊɡər/

ogre

ogre
Meaning
A mythical monster, often depicted as large, hideous, and cruel; metaphorically, a cruel or terrifying person.
Example
The villagers feared the ogre who lived in the dark forest.
Les villageois craignaient l'ogre qui vivait dans la forêt sombre.
C1 noun /əˈpreʃ.ən/

Oppression

oppression; abus; tyrannie;
Meaning
cruel or unjust treatment or exercise of authority; the state of being subject to harsh treatment
Example
The people fought against political oppression.
Les gens ont lutté contre l'oppression politique.
A1 pronoun, noun, adjective /wʌn/

one

un
Meaning
the number equivalent to the sum of zero and one; a single person or thing
Example
Only one student answered the question.
Un seul étudiant a répondu à la question.
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

obstétricien
Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
L'obstétricien a surveillé la santé de la mère tout au long de la grossesse.
C2 adjective /ˈoʊ.vɔɪd/

ovoid

ovale
Meaning
egg-shaped; resembling an oval or ellipse
Example
The artist painted an ovoid shape in the center of the canvas.
L'artiste a peint une forme ovale au centre de la toile.
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

optimisation
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
L'optimisation SEO aide les sites web à se classer plus haut dans les moteurs de recherche.
C1 noun /oʊˈbɪt.ʃu.er.i/

Obituary

nécrologie
Meaning
a notice of someone's death published in a newspaper; biographical account of deceased person
Example
The newspaper published his obituary yesterday.
Le journal a publié son nécrologie hier.
C2 noun /ˈoʊvərlɔːrd/

overlord

seigneur
Meaning
A ruler, master, or person of great power and authority over others.
Example
The peasants were forced to pay taxes to their overlord.
Les paysans ont été forcés de payer des impôts à leur seigneur.
B2 verb /ˌoʊvərˈduː/

overdo

exagérer
Meaning
to do something too much; to exaggerate or carry to excess
Example
Don't overdo the exercise on your first day at the gym.
Ne fais pas trop d'exercice le premier jour à la salle de sport.
B1 adjective /ˈɔːɡənaɪzd/

organized

organisé
Meaning
Arranged in a systematic way, especially on a large scale.
Example
An organized approach to work increases productivity and reduces stress.
Une approche organisée du travail augmente la productivité et réduit le stress.
B2 noun /ˈɔr.fən/

Orphan

orphelin
Meaning
a child whose parents are dead; someone without protective support
Example
The orphan was adopted by a loving family.
L'orphelin a été adopté par une famille aimante.
A1 noun/adjective/adverb /ˌaʊtˈsaɪd/

outside

dehors
Meaning
the external part or surface of something; beyond the boundary
Example
Children were playing outside in the yard.
Les enfants jouaient dehors dans le jardin.
C1 noun /ˈɔːrdɪnəns/

ordinance

ordonnance
Meaning
An authoritative rule, law, or decree issued by a city, town, or authority.
Example
The city council passed an ordinance banning smoking in public parks.
Le conseil municipal a adopté une ordonnance interdisant de fumer dans les parcs publics.
C2 noun /əbˈsɪdiən/

obsidian

obsidienne (roche volcanique noire et vitreuse)
Meaning
A hard, dark, glasslike volcanic rock formed by rapid solidification of lava.
Example
The knife was made from sharp obsidian.
Le couteau était fabriqué à partir d'obsidienne tranchante.
B1 adjective, adverb /ˈoʊvərɔːl/

overall

dans l'ensemble
Meaning
in general or as a whole
Example
Overall, the project has been successful.
Dans l'ensemble, le projet a été un succès.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃənz

organizations

organisations
Meaning
Organized groups of people with a particular purpose
Example
Organizations play a key role in policymaking.
Les organisations jouent un rôle clé dans l'élaboration des politiques.
B2 noun /ɔːˈræŋ.ʊˌtæŋ/

Orang-Outang

orang-outang
Meaning
a large arboreal ape with long reddish hair, long arms, and hooked hands and feet, native to Borneo and Sumatra
Example
The orangutan swings gracefully through the forest canopy.
L'orang-outang se balance gracieusement à travers la canopée de la forêt.
C1 noun /əˈfen.dər/

Offender

délinquant; infractionniste de la loi
Meaning
a person who commits an illegal act; someone who breaks the law
Example
The young offender was sentenced to community service.
Le jeune délinquant a été condamné à des travaux d'intérêt général.
C1 adjective /əbˈzɜːrvənt/

Observant

observateur
Meaning
quick to notice things; watchful; attentive
Example
The observant detective noticed every small detail at the crime scene.
Le détective observateur a remarqué chaque petit détail sur la scène du crime.
C2 adjective /ˈɒpjʊlənt/

opulent

opulent
Meaning
Ostentatiously rich, luxurious, or lavish.
Example
They hosted an opulent wedding with gold decorations.
Ils ont organisé un mariage opulent avec des décorations dorées.
B2 verb /əbˈteɪn/

obtain

obtenir
Meaning
to get or acquire something
Example
You need to obtain a visa before traveling abroad.
Vous devez obtenir un visa avant de partir à l'étranger.
C1 adjective /ɒˈstɛnsəbl/

ostensible

apparente
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
Sa raison apparente de partir était la maladie, mais beaucoup en doutaient.
C2 noun /ˈɔː.rɪ.fɪs/

orifice

orifice
Meaning
an opening or hole, especially in the body or a device
Example
The medicine was applied through a small orifice in the device.
Le médicament a été appliqué par un petit orifice dans l'appareil.
C2 adjective /ˈɔːrnəri/

ornery

irritable
Meaning
bad-tempered and combative; stubborn
Example
The ornery old man refused to leave his chair.
Le vieil homme irritable a refusé de quitter sa chaise.
B2 adverb /ˌoʊvərˈnaɪt/

Overnight

du jour au lendemain; soudainement; très rapidement
Meaning
during the night; suddenly; very quickly
Example
The city was transformed overnight.
La ville a été transformée du jour au lendemain.
C1 adjective /əˈprɛs.ɪv/

Oppressive

oppressif
Meaning
Harsh and authoritarian; overwhelming; causing distress; tyrannical;
Example
The oppressive heat made it difficult to work outside during the summer.
La chaleur oppressante rendait difficile de travailler à l'extérieur pendant l'été.
C2 noun /ˈɒfərtɔːri/

offertory

offrande
Meaning
The part of a religious service when offerings are collected; the offering itself.
Example
The offertory was taken during the Sunday service.
L'offrande a été prise pendant le service du dimanche.
C1 verb /ˌaʊtˈweɪ/

outweigh

avoir plus de poids
Meaning
To be more important, valuable, or significant than something else.
Example
The benefits of the new policy outweigh the risks.
Les avantages de la nouvelle politique l'emportent sur les risques.
B2 noun ˈaʊt.pʊt

output

production
Meaning
The amount of something produced by a person, machine, or industry.
Example
Climate change reduces agricultural output.
Le changement climatique réduit la production agricole.
B2 noun /ˈaʊtɪŋ/

outing

excursion
Meaning
a short trip or excursion, often for leisure or enjoyment
Example
They had a lovely outing at the beach last weekend.
Ils ont fait une belle excursion à la plage le week-end dernier.
C2 adjective /ˈɑːbdjʊrət/

obdurate

obstiné
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
Il est resté obstiné malgré les suppliques de tout le monde.
B1 noun /ˈɔr.ə.ʒɪn/

Origin

origine
Meaning
the point or place where something begins, arises, or is derived; the source
Example
Scientists are studying the origin of the universe.
Les scientifiques étudient l'origine de l'univers.
A2 adjective/adverb /ˈɒnˌlaɪn/

online

en ligne
Meaning
connected to or available through the internet
Example
I prefer shopping online rather than going to stores.
Je préfère faire du shopping en ligne plutôt que d'aller dans les magasins.
C1 noun /ˈɒktɪv/

octave

octave
Meaning
A series of eight musical notes, or the interval between one musical pitch and another with double its frequency.
Example
The singer's voice could easily reach the higher octave.
La voix du chanteur pourrait facilement atteindre l'octave supérieure.
C2 adjective /ˈɒfɪʃ/

offish

distant
Meaning
Unfriendly, distant, or reserved in manner.
Example
He seemed offish at the party and avoided most conversations.
Il semblait distant à la fête et évitait la plupart des conversations.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

organisation
Meaning
An organized group of people with a particular purpose, such as a business or government department.
Example
The organization was officially inaugurated in 2024.
L'organisation a été inaugurée officiellement en 2024.
C1 noun /ˈɑn.set/

Onset

début; commencement
Meaning
the beginning or early stages of something; the start of a medical condition
Example
The onset of winter brought heavy snowfall.
Le début de l'hiver a apporté de fortes chutes de neige.
C2 noun /ˈɒksɪdənt/

occident

occident
Meaning
The countries of the West, especially Europe and America.
Example
The Occident has a long history of philosophical thought.
L'Occident a une longue histoire de pensée philosophique.
B1 noun /ˌɒpəˈreɪʃən/

operation

opération
Meaning
an act or process of functioning or operating
Example
The hospital performed a successful operation.
L'hôpital a effectué une opération réussie.
B2 verb /ˌoʊvərˈpeɪ/

overpay

payer en trop
Meaning
To pay more than is necessary or reasonable.
Example
She realized she had overpaid for the concert tickets.
Elle s'est rendu compte qu'elle avait trop payé pour les billets de concert.
C1 noun /ˈɔr.i.ənt/

Orient

Orient, en particulier les pays d'Asie de l'Est
Meaning
the East, especially countries of eastern Asia; to determine one's position or direction
Example
Many spices come from the Orient.
De nombreuses épices viennent de l'Orient.
C2 noun ˈɒpjʊləns

opulence

opulence
Meaning
Great wealth or luxuriousness.
Example
The opulence of the mansion was evident in its ornate furnishings.
L'opulence du manoir était évidente dans ses meubles ornés.
C2 noun /ˈɔːrzmən/

Oarsman

rameur
Meaning
a person who rows a boat, especially as a member of a racing crew
Example
The experienced oarsman rowed the boat across the river.
Le rameur expérimenté a ramé le bateau à travers le fleuve.
C2 noun /ˈɔːrdʒi/

orgy

orgie
Meaning
A wild party involving excessive indulgence, especially of a sexual nature.
Example
The novel described a scandalous orgy in a wealthy mansion.
Le roman a décrit une orgie scandaleuse dans un manoir riche.
B2 verb /ˌoʊvərˈwɛlm/

overwhelm

accabler
Meaning
to overpower someone emotionally or physically; to be too much to handle
Example
She was overwhelmed with gratitude after receiving the help.
Elle était submergée de gratitude après avoir reçu de l'aide.
C1 noun /ˈəʊ.nəs/

onus

responsabilité
Meaning
A duty or responsibility, especially a heavy one.
Example
The onus is on the government to provide relief to the victims.
La responsabilité incombe au gouvernement de fournir de l'aide aux victimes.
B2 noun /əˈfɛns/

offense

infraction
Meaning
an illegal act; a crime
Example
The offense was committed in broad daylight.
L'infraction a été commise en plein jour.
C2 noun /ˈɒbsɪkwiːz/

obsequies

rites funéraires
Meaning
Funeral rites or ceremonies.
Example
The obsequies for the late leader drew thousands of mourners.
Les rites funéraires du leader défunt ont attiré des milliers de personnes en deuil.
B2 noun /ˈoʊtˌmiːl/

oatmeal

bouillie d'avoine
Meaning
A type of porridge made from ground oats, often eaten for breakfast.
Example
She eats a bowl of oatmeal every morning for breakfast.
Elle mange un bol de bouillie d'avoine chaque matin au petit-déjeuner.
C2 adjective /ˈəʊ.dər.əs/

Odorous

parfumé; aromatique
Meaning
having a strong smell; fragrant; aromatic
Example
The garden was filled with odorous flowers.
Le jardin était rempli de fleurs parfumées.
B2 noun /ˈaʊt.laɪn/

Outline

plan; contour; résumé
Meaning
a general description or plan showing the essential features of something; the main points
Example
The teacher provided an outline of the course syllabus.
L'enseignant a fourni un plan du programme du cours.
A1 pronoun /aʊər/

our

notre
Meaning
belonging to or associated with the speaker and one or more other people
Example
This is our house.
C'est notre maison.
C1 noun /ˈɔɪntmənt/

ointment

onguent
Meaning
A smooth, oily substance applied to the skin for healing or soothing.
Example
The doctor prescribed an ointment for the burn on his arm.
Le médecin a prescrit un onguent pour la brûlure sur son bras.
A2 adjective /ˈɔː.dɪ.nər.i/

Ordinary

ordinaire; normal; pas spécial
Meaning
normal; usual; not special
Example
It was just an ordinary day at the office.
C'était juste un jour ordinaire au bureau.
B2 noun /ˈɒt.ər/

Otter

loutre
Meaning
a mammal with webbed feet that lives near water and feeds on fish
Example
The playful otter swam gracefully in the river.
La loutre joueuse nageait gracieusement dans la rivière.
C1 adjective əˈblɪv.i.əs

oblivious

ignorant
Meaning
Being completely unaware of surrounding events.
Example
He was oblivious to the noise around him while reading.
Il était inconscient du bruit autour de lui en lisant.
A2 preposition /ˈɒntu/

onto

sur
Meaning
moving to a position on the surface of something
Example
She jumped onto the table to get the book.
Elle a sauté sur la table pour prendre le livre.
C1 adjective /ˈəʊnərəs/

onerous

ardu
Meaning
involving a great deal of effort, difficulty, or burden
Example
Fulfilling the contract proved to be an onerous task for the company.
Accomplir le contrat s'est avéré être une tâche ardue pour l'entreprise.
C1 noun /ˈoʊ.mən/

Omen

un signe de bonne ou mauvaise chance future
Meaning
an event regarded as a sign of future good or bad luck
Example
Many people consider a black cat crossing your path a bad omen.
Beaucoup de gens considèrent qu'un chat noir traversant votre chemin est un mauvais présage.
C1 noun ˌɒb.səˈlɛs.əns

obsolescence

obsolescence
Meaning
The process of becoming obsolete or outdated and no longer used.
Example
The rapid advancement of technology leads to the obsolescence of old devices.
Le progrès rapide de la technologie entraîne l’obsolescence des anciens appareils.
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

actif; en vigueur; fonctionnant; opérationnel;
Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
Les nouveaux protocoles de sécurité sont devenus opérationnels immédiatement après l'accident.
C2 adjective /ˌoʊpəˈlɛsənt/

opalescent

opalescent
Meaning
showing or reflecting a milky, iridescent light like an opal
Example
The opalescent sky glowed with shades of pink and blue.
Le ciel opalescent brillait avec des nuances de rose et de bleu.
B2 noun /ˈaʊt.saɪ.dər/

Out-sider

étranger
Meaning
a person who does not belong to a particular group; someone not accepted by a group
Example
As an outsider, he found it difficult to understand their traditions.
En tant qu'outsider, il a trouvé difficile de comprendre leurs traditions.
C1 verb /ɔːrˈdeɪn/

ordain

ordonner
Meaning
To officially make someone a priest or minister; to decree or order something officially.
Example
The bishop will ordain three new priests this Sunday.
L'évêque ordonnera trois nouveaux prêtres ce dimanche.
A1 adverb /aʊt/

out

dehors
Meaning
moving or appearing away from the inside or center; not at home or present
Example
He stepped out of the room quietly.
Il est sorti de la pièce silencieusement.
C2 adjective /əˈfɪʃəs/

officious

médicule
Meaning
Excessively eager to offer unwanted help or advice; meddlesome.
Example
The officious guard kept interrupting the visitors with unnecessary instructions.
Le garde médicule interrompait les visiteurs avec des instructions inutiles.
B2 adjective ɔːrˈɡæn.ɪk

organic

biologique
Meaning
Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.
Example
Organic farming improves soil health and reduces pollution.
L'agriculture biologique améliore la santé du sol et réduit la pollution.
C1 adjective /ˌoʊvərˈbloʊn/

overblown

exagéré
Meaning
excessively exaggerated or inflated
Example
The controversy was overblown by the media.
La controverse a été exagérée par les médias.
C2 noun (plural) /ˈɔːrdʒiːz/

orgies

orgies
Meaning
Wild gatherings involving excessive indulgence in food, drink, or sexual activity.
Example
The ancient Romans were infamous for their lavish feasts and orgies.
Les anciens Romains étaient infâmes pour leurs festins somptueux et leurs orgies.
C2 noun /oʊf/

Oaf

une personne maladroite, stupide ou insensible
Meaning
a clumsy, stupid, or insensitive person
Example
Don't be such an oaf - handle the dishes carefully!
Ne sois pas un oaf - manipule les plats avec soin !
C1 adjective əʊˈpeɪk

opaque

opaque, impénétrable, difficile à comprendre
Meaning
Not able to be seen through; not transparent; difficult to understand.
Example
The glass was too opaque to see through.
Le verre était trop opaque pour voir à travers.
C1 noun /oʊˈeɪ.sɪs/

Oasis

oasis
Meaning
a fertile spot in a desert where water is found; a pleasant refuge
Example
The travelers found an oasis after days in the desert.
Les voyageurs ont trouvé un oasis après plusieurs jours dans le désert.
A2 adverb /ˈɒbviəsli/

obviously

évidemment
Meaning
in a way that is easily perceived or understood; clearly
Example
Obviously, he didn’t read the instructions.
Évidemment, il n'a pas lu les instructions.
C1 verb /uːz/

ooze

suinter
Meaning
to slowly flow or leak out through small openings or pores
Example
Blood began to ooze from the small cut.
Le sang a commencé à suinter de la petite coupure.
C2 noun /ˈɔːfəl/

offal

abats
Meaning
the internal organs and entrails of an animal used as food; waste parts
Example
The butcher prepared sausages using pork offal.
Le boucher a préparé des saucisses en utilisant des abats de porc.
C1 noun /ɒpˈtɒmətri/

optometry

optométrie
Meaning
The practice or profession of examining the eyes and prescribing corrective lenses.
Example
She studied optometry at the university to become an eye specialist.
Elle a étudié l'optométrie à l'université pour devenir spécialiste des yeux.
A2 verb /oʊˈbeɪ/

obey

obéir
Meaning
to follow orders or instructions; to comply with rules
Example
Children should obey their parents and teachers.
Les enfants doivent obéir à leurs parents et enseignants.
B2 noun /əbˈzɜːvər/

observer

observateur
Meaning
a person who watches or notices something
Example
The observer took notes during the meeting.
L'observateur a pris des notes pendant la réunion.
A2 noun /ˈoʊ.nər/

Owner

propriétaire
Meaning
a person who owns something; someone who has legal possession of property
Example
The owner of the restaurant greeted us warmly.
Le propriétaire du restaurant nous a accueillis chaleureusement.
B2 noun /ˈaʊt.breɪk/

Out-break

épidémie
Meaning
a sudden occurrence or eruption of something, especially disease or violence
Example
The outbreak of flu affected many students in the school.
L'épidémie de grippe a touché de nombreux élèves à l'école.
B2 noun /ˈɒp.tɪ.mɪ.zəm/

optimism

optimisme
Meaning
Hopefulness and confidence about the future or the successful outcome of something.
Example
Her optimism helped her overcome difficult times.
Son optimisme l'a aidée à surmonter des moments difficiles.
C2 verb /ˈoʊɡəl/

ogle

regarder avec désir
Meaning
To look at someone with obvious sexual interest.
Example
He kept ogling the models on the runway.
Il n'arrêtait pas de regarder les mannequins sur le podium.
C1 verb /ˌoʊvərˈpaʊər/

overpower

dominer
Meaning
To defeat or gain control over someone or something by using greater strength or force.
Example
The soldiers managed to overpower the enemy forces.
Les soldats ont réussi à dominer les forces ennemies.
B2 noun /ˈɔːɡənɪzəm/

organism

organisme
Meaning
a living thing that has an organized structure and can grow and reproduce
Example
Every organism needs water to survive.
Chaque organisme a besoin d'eau pour survivre.
C1 verb /əbˈsɛs/

obsess

obséder
Meaning
To preoccupy or fill the mind of someone continually and to an excessive degree.
Example
She tends to obsess over small details.
Elle a tendance à s'obséder sur de petits détails.
A1 adjective /əʊˈkeɪ/

okay

d'accord
Meaning
used to express agreement or acceptance
Example
It's okay to leave early today.
Il est d'accord de partir tôt aujourd'hui.
C1 noun /ˈɒptɪks/

optics

optique
Meaning
The branch of physics dealing with light and vision.
Example
She studied optics to understand how lenses work.
Elle a étudié l'optique pour comprendre comment fonctionnent les lentilles.
C2 noun /ˌɒpəˈrɛtə/

operetta

opéra léger
Meaning
a short opera with light and humorous themes
Example
The theater staged a famous operetta by Gilbert and Sullivan.
Le théâtre a présenté une célèbre opérette de Gilbert et Sullivan.
C1 noun /əˈkɜr.əns/

Occurrence

événement
Meaning
an instance or event of something happening; the fact of occurring
Example
The occurrence of earthquakes is common in this region.
L'occurrence des tremblements de terre est courante dans cette région.
B1 adjective /ˌoʊvərˈweɪt/

overweight

surpoids
Meaning
heavier than is considered healthy or normal
Example
The doctor advised him to lose weight as he was overweight.
Le médecin lui a conseillé de perdre du poids car il était en surpoids.
C2 noun /ˈɒb.stɪ.nə.si/

obstinacy

obstination
Meaning
Stubborn refusal to change one's opinion or chosen course of action, despite attempts to persuade one to do so.
Example
His obstinacy made negotiations difficult.
Son obstination a rendu les négociations difficiles.
C2 noun ˌɒbfəsˈkeɪʃən

obfuscation

obfuscation, confusion
Meaning
The action of making something obscure, unclear, or unintelligible.
Example
The obfuscation of the data made it difficult to interpret.
L'obfuscation des données a rendu leur interprétation difficile.
C1 adjective /ˌɔː.riˈen.təl/

Oriental

relatif aux pays de l'Asie de l'Est; oriental
Meaning
relating to the countries of East Asia; eastern
Example
The museum has a beautiful collection of oriental art.
Le musée possède une belle collection d'art oriental.
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

oscillation
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
L'oscillation du pendule contrôle l'horloge.
B2 noun /ɒpˈtɪʃən/

optician

opticien
Meaning
A person who makes or sells glasses and contact lenses.
Example
The optician adjusted my new glasses to fit better.
L'opticien a ajusté mes nouvelles lunettes pour qu'elles s'ajustent mieux.
C2 noun /ˈɒbsɪkwi/

obsequy

obsèque
Meaning
A funeral rite, usually used in plural form obsequies.
Example
The village gathered for the obsequy of their beloved teacher.
Le village s'est réuni pour l'obseque de leur cher professeur.
A2 verb /ˈɔːfər/

offer

offrir
Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
Elle a proposé d’aider avec le projet.
B2 noun /ˈoʊ.dər/

Odour

odeur
Meaning
a distinctive smell, especially an unpleasant one
Example
The odour of fresh bread filled the kitchen.
L'odeur du pain frais remplissait la cuisine.
B2 noun /ˈoʊ.vər ɡroʊθ/

Over growth

surcroissance
Meaning
excessive growth beyond normal size; too much development or expansion
Example
The overgrowth of weeds made the garden look untidy.
La surcroissance des mauvaises herbes a rendu le jardin désordonné.
C2 noun /ˌɔːrnɪˈθɒlədʒɪst/

ornithologist

ornithologue
Meaning
a scientist who studies birds
Example
The ornithologist spent years studying migratory birds.
L'ornithologue a passé des années à étudier les oiseaux migrateurs.
B1 adjective /əˈrɪdʒ.ɪ.nəl/

Original

original; fondamental; authentique
Meaning
first; fundamental; primary; authentic
Example
This is the original document, not a copy.
C'est le document original, pas une copie.
B2 adjective /aʊtˈreɪdʒəs/

outrageous

scandaleux
Meaning
Shockingly bad or excessive; very unusual or amusing.
Example
The comedian told an outrageous joke.
Le comédien a raconté une blague scandaleuse.
B2 noun /ˌɒpəˈzɪʃən/

opposition

opposition
Meaning
the action of opposing or resisting something
Example
The opposition to the new law was strong.
L'opposition à la nouvelle loi était forte.
B2 noun /ˈaʊtˌbreɪk/

outbreak

épidémie
Meaning
a sudden start or occurrence of something unpleasant, like disease or violence
Example
There was an outbreak of flu in the city.
Il y a eu une épidémie de grippe dans la ville.
B1 noun /ˈɑː.lɪv/

Olive

olive
Meaning
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
Example
Olive oil is considered one of the healthiest cooking oils available.
L'huile d'olive est considérée comme l'une des huiles de cuisson les plus saines disponibles.
C2 verb /ˈɑːbdʒərˌɡeɪt/

objurgate

réprimander sévèrement
Meaning
to scold or rebuke severely
Example
The teacher objurgated the student for being dishonest.
Le professeur a réprimandé sévèrement l'élève pour son malhonnêteté.
C2 noun /ɑːlˈfækʃən/

olfaction

olfaction
Meaning
The sense of smell; the process of detecting and perceiving odors.
Example
Dogs have a highly developed sense of olfaction.
Les chiens ont un sens de l'olfaction très développé.
B2 adjective /ˈɔː.də.li/

Orderly

ordonné; systématique; pacifique
Meaning
well-organized; systematic; peaceful
Example
Please keep your desk orderly and clean.
Veuillez garder votre bureau ordonné et propre.
B2 noun /ˈɔːrɡənaɪzər/

organizer

organisateur
Meaning
a person who arranges or coordinates activities, events, or groups; a tool or item used to keep things in order
Example
She worked as the main organizer of the international conference.
Elle était l’organisatrice principale de la conférence internationale.
B2 verb əbˈzɜːrvd

observed

observer
Meaning
To celebrate or keep a religious or other festival.
Example
The day is observed annually to raise awareness.
Le jour est observé chaque année pour sensibiliser.
C2 noun /əbˈstɛtrɪks/

obstetrics

obstétrique
Meaning
The branch of medicine dealing with childbirth and care of women giving birth.
Example
She is studying obstetrics to become a specialist in childbirth.
Elle étudie l'obstétrique pour devenir spécialiste de l'accouchement.
B2 verb /ˌoʊvərˈkʌm/

overcome

surmonter
Meaning
To succeed in dealing with a problem or difficulty.
Example
You can overcome procrastination with planning.
Vous pouvez surmonter la procrastination en planifiant.
B2 verb /əˈrɪdʒɪneɪt/

originate

provenir
Meaning
to come into existence; to begin; to create or produce
Example
The tradition originated in ancient times.
La tradition est née dans les temps anciens.