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C1 adjective /ˈsiːzənəbəl/

Seasonable

saisonnière
Meaning
occurring at the right time; appropriate for the season; timely
Example
The seasonable rain helped the farmers with their crops.
La pluie saisonnière a aidé les agriculteurs avec leurs récoltes.
C1 noun /ˈsʌnˌdaʊn/

sundown

coucher du soleil
Meaning
the time in the evening when the sun goes below the horizon
Example
We planned to reach the village before sundown.
Nous avions prévu d'arriver au village avant le coucher du soleil.
C1 noun ˈsæŋktɪti

sanctity

sainteté
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
La sainteté de la vie ne doit jamais être compromise.
C1 noun /ˌsæbəˈtɜːr/

saboteur

saboteur
Meaning
A person who engages in sabotage.
Example
The saboteur was arrested before he could plant the bomb.
Le saboteur a été arrêté avant qu'il ne puisse planter la bombe.
C1 verb, adjective, noun /spruːs/

spruce

ranger / un type d'arbre
Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
Il a arrangé sa chambre avant l'arrivée des invités.
C1 noun, adjective /ˈsɒlvənt/

solvent

solvant, capable de rembourser ses dettes
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
L'acétone est un solvant couramment utilisé dans les laboratoires.
C1 noun /ˈsɒlstɪs/

solstice

solstice
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
Les gens célèbrent le solstice d'été avec des festivals et des rituels.
C1 noun /ˈskɛptɪk/

skeptic

sceptique
Meaning
A person who doubts or questions accepted beliefs or claims.
Example
The scientist was a skeptic of theories without solid evidence.
Le scientifique était sceptique des théories sans preuve solide.
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

subordonné
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
Il gère dix subordonnés dans son département.
C1 noun /ˈʃæmbəlz/

shambles

désordre total
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
Après la tempête, toute la ville était en désordre total.
C1 verb /səbˈvɜːrt/

subvert

renverser
Meaning
to undermine or overthrow an established system, authority, or institution
Example
The rebels tried to subvert the government.
Les rebelles ont essayé de renverser le gouvernement.
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

sensibilisation
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
Le médecin a averti de la sensibilisation causée par une exposition répétée aux produits chimiques.
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

progrès socioéconomique
Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
Le progrès socioéconomique élève les communautés marginalisées.
C1 verb /ˈʃrɪvəl/

shrivel

ridé
Meaning
To become dry, wrinkled, and smaller due to lack of moisture.
Example
The flowers shriveled under the hot sun.
Les fleurs se sont ridées sous le soleil chaud.
C1 noun ˌsɪs.təˈmæt.ɪk ˈstræt.ə.dʒi

systematic strategy

stratégie systématique
Meaning
A methodical and organized plan or approach to achieve specific objectives.
Example
A systematic strategy was employed to achieve objectives.
Une stratégie systématique a été employée pour atteindre les objectifs.
C1 noun /ˌsæl.ɪ.naɪˈzeɪ.ʃən/

salinization

augmentation de la salinité
Meaning
The process of increasing salt content in soil.
Example
Excessive irrigation can cause salinization of farmland.
L'irrigation excessive peut entraîner une augmentation de la salinité des terres agricoles.
C1 noun /sɪˈtɑːr/

Sitar

sitar
Meaning
a traditional Indian stringed musical instrument with a long neck and resonating body
Example
The sitar creates beautiful ragas in Indian classical music.
Le sitar crée de magnifiques ragas dans la musique classique indienne.
C1 noun ˈsɪmbəlɪzəm

symbolism

symbolisme
Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
L'utilisation du symbolisme dans le roman est magistrale.
C1 adjective sɪˈmæn.tɪk

semantic

relatif au sens dans le langage
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
Les modèles d'IA utilisent l'analyse sémantique pour comprendre le contexte.
C1 noun /ˈspɪnstər/

spinster

femme célibataire
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
Le roman présentait une femme célibataire au grand cœur qui s'occupait des enfants du village.
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

rétrécissement
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
L'entreprise a rapporté une diminution des profits ce trimestre.
C1 adjective /ˈstɪndʒi/

stingy

avare
Meaning
unwilling to spend or give; miserly
Example
He is too stingy to buy a gift for his friend.
Il est trop avare pour acheter un cadeau pour son ami.
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

spontanéité
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
Sa spontanéité fait de lui un excellent conversationnel.
C1 noun /ˈsɛntɪnəl/

sentinel

sentinelle
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
Un sentinelle se tenait à l'entrée du camp.
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

rabat-joie
Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
Ne sois pas un rabat-joie et laisse-nous profiter de la fête.
C1 verb /sʌlk/

sulk

faire la tête
Meaning
to be silent and bad-tempered because you are angry or disappointed
Example
She sulked in her room after the argument.
Elle a fait la tête dans sa chambre après la dispute.
C1 adjective/verb /ˈsiːzənd/

seasoned

expérimenté / assaisonné
Meaning
Experienced in a particular activity; also, flavored with spices.
Example
She is a seasoned teacher with over 20 years of experience.
Elle est une enseignante expérimentée avec plus de 20 ans d'expérience.
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

substitution
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
La substitution de l'ancien système par le nouveau a été difficile.
C1 adjective ˌsɪn.əˈdʒɪs.tɪk

synergistic

synergique
Meaning
Relating to the interaction of elements that when combined produce a greater effect than the sum of their individual effects.
Example
A synergistic effect occurs when nutrients work together.
Un effet synergique se produit lorsque les nutriments agissent ensemble.
C1 adjective /ˈsʌbstəntɪv/

substantive

important
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
L'entreprise a apporté des changements importants à sa politique.
C1 noun /spæt/

spat

dispute mineure
Meaning
a short, petty quarrel or argument
Example
They had a brief spat about who should do the dishes.
Ils ont eu une petite dispute sur qui devait faire la vaisselle.
C1 noun /ʃraɪn/

Shrine

sanctuaire; temple; lieu sacré
Meaning
a holy or sacred place dedicated to a specific deity, ancestor, hero, or saint
Example
Pilgrims visit the shrine to pray for good health.
Les pèlerins visitent le sanctuaire pour prier pour une bonne santé.
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

stéréotypé
Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
Ses blagues stéréotypées n'ont pas réussi à impressionner le public.
C1 noun /səbˈdʒɛkʃən/

subjection

soumission
Meaning
the act of bringing someone or something under control or domination
Example
The people suffered under the subjection of a cruel ruler.
Le peuple a souffert sous la soumission d'un dirigeant cruel.
C1 adjective /ˈsleɪ.vɪʃ/

slavish

esclave
Meaning
showing no originality; completely imitative or overly submissive
Example
His slavish devotion to tradition prevented any innovation.
Sa dévotion esclave à la tradition a empêché toute innovation.
C1 noun /ˈskævɪndʒər/

scavenger

charognard / collecteur de déchets
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
Les vautours sont des scavengers naturels qui nettoient l'environnement.
C1 verb /ˈsnɪkər/

snicker

rire discrètement
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
Les étudiants ont ri discrètement lorsque le professeur a fait une erreur.
C1 noun /ˈseɪɑːns/

seance

séance
Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
Ils ont organisé une séance pour contacter leur grand-mère décédée.
C1 adjective /səˈriːn/

serene

serein et paisible
Meaning
Calm, peaceful, and untroubled; tranquil.
Example
The lake had a serene and peaceful atmosphere.
Le lac avait une atmosphère sereine et paisible.
C1 noun /səˈlɪləkwi/

soliloquy

soliloque
Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
Le soliloque d'Hamlet est l'un des passages les plus célèbres du drame shakespearien.
C1 verb /səˈlɪsɪt/

solicit

solliciter
Meaning
to ask for or try to obtain something from someone
Example
The charity is soliciting donations for flood victims.
La charité sollicite des dons pour les victimes des inondations.
C1 adjective /sɔɪld/

soiled

sale
Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
Ses vêtements étaient sales après avoir joué dans la boue.
C1 noun /ˈskeɪ.biːz/

Scabies

gale
Meaning
a contagious skin disease caused by mites that causes intense itching
Example
The doctor diagnosed him with scabies after examining the rash.
Le médecin lui a diagnostiqué la gale après avoir examiné l'éruption.
C1 adjective /ˈsiː.di/

Seedy

plein de graines; sale et dégradant; en mauvais état
Meaning
squalid and disreputable; shabby and run-down; full of seeds
Example
They avoided walking through the seedy part of town at night.
Ils évitaient de marcher dans la partie sale et dégradante de la ville la nuit.
C1 verb /ˈsmoʊldər/

smolder

fumer lentement
Meaning
to burn slowly with smoke but no flame; to show suppressed anger or emotion
Example
The fire smoldered for hours before it went out.
Le feu a fumé lentement pendant des heures avant de s'éteindre.
C1 noun /ˈsɪlk.wɜːrm/

Silk-worm

ver à soie
Meaning
the caterpillar of a moth that produces silk fibers used to make silk fabric
Example
Silkworms feed on mulberry leaves to produce silk.
Les vers à soie se nourrissent de feuilles de mûrier pour produire de la soie.
C1 noun /sɪv/

sieve

passoire
Meaning
a utensil with a mesh or perforated bottom, used for straining or sifting
Example
She used a sieve to strain the pasta.
Elle a utilisé une passoire pour filtrer les pâtes.
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

souterrain
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
Les sources d'eau souterraines aident à soutenir l'agriculture.
C1 noun /ˈstænzə/

stanza

strophe
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
Le poème commence par une strophe décrivant la nature.
C1 verb /skʌf/

scuff

griffer
Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.
Il a griffé ses chaussures sur le trottoir.
C1 adjective /ˈskænti/

Scanty

petit en taille ou en quantité; insuffisant; à peine suffisant
Meaning
small in size or amount; insufficient; barely adequate
Example
The refugee camp had scanty food supplies.
Le camp de réfugiés avait des provisions alimentaires insuffisantes.
C1 noun ˌsɪstəˈmætɪk ˈseɪvɪŋz

systematic savings

économies systématiques
Meaning
A structured and organized approach to regularly saving money according to a planned schedule
Example
Systematic savings can mitigate financial crises in old age.
Les économies systématiques peuvent atténuer les crises financières à un âge avancé.
C1 verb /səbˈmɜːrdʒ/

submerge

submerger
Meaning
to put under water or cover with liquid
Example
The floodwaters threatened to submerge the village.
Les eaux de l'inondation menaçaient de submerger le village.
C1 noun /ˈsʌn.stroʊk/

Sunstroke

coup de chaleur
Meaning
a serious condition caused by overheating from prolonged exposure to high temperatures
Example
The worker suffered from sunstroke after working outside all day.
Le travailleur a souffert d'un coup de chaleur après avoir travaillé dehors toute la journée.
C1 verb /sɪˈsiːd/

secede

se séparer
Meaning
To formally withdraw from a political or organizational union.
Example
Several states threatened to secede from the union.
Plusieurs états ont menacé de se séparer de l'union.
C1 verb /skwiːl/

squeal

crier
Meaning
to make a high-pitched cry; to inform on someone
Example
The children squealed with delight when they saw the surprise.
Les enfants ont crié de joie lorsqu'ils ont vu la surprise.
C1 adjective /ˈsɛn.sər.i/

sensory

sensoriel
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
Les rétroactions sensorielles améliorent l'expérience de la réalité virtuelle.
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

désinfection
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
La désinfection régulière garde les appareils sans germes.
C1 noun /səbˈmɪtəl/

submittal

soumission
Meaning
the act of submitting something, especially a document for consideration or approval
Example
The contractor sent the submittal to the client for approval.
L'entrepreneur a envoyé la soumission au client pour approbation.
C1 adjective /ˈstɒdʒi/

stodgy

lourd, vieilli
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
La conférence était si lourde que de nombreux étudiants ont eu du mal à rester éveillés.
C1 adjective /ˈsɒnɪk/

sonic

sonique
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
L'avion a créé un fort bruit lorsqu'il a franchi le mur du son.
C1 verb /sɪˈkriːt/

secrete

sécréter
Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
Le pancréas sécrète de l'insuline pour réguler le taux de sucre dans le sang.
C1 noun ˈsɛlfləsnɪs

selflessness

altruisme
Meaning
The quality of being concerned more with the needs of others than with one's own.
Example
Selflessness is a key value for community building.
L'altruisme est une valeur clé pour la construction de la communauté.
C1 adverb /suːˈpɜːb.li/

Superbly

de manière excellente
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
Elle a excellé dans la compétition de danse.
C1 verb /ˌsuːpərˈsiːd/

supersede

remplacer
Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
Cette nouvelle loi va remplacer les anciennes réglementations.
C1 noun /ˈstreɪnər/

Strainer

passoire
Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
Utilisez une passoire pour égoutter l'eau des pâtes.
C1 verb /struː/

strew

répandre
Meaning
to scatter or spread things untidily over a surface or area
Example
Clothes were strewn across the floor.
Les vêtements étaient éparpillés sur le sol.
C1 adjective /sər'pæs.ɪŋ/

Surpassing

exceptionnel; supérieur; extraordinaire
Meaning
exceeding; going beyond; outstanding
Example
Her surpassing beauty made everyone stop and stare.
Sa beauté exceptionnelle a fait que tout le monde s'arrête et la regarde.
C1 noun /sleɪ/

sleigh

traîneau
Meaning
A vehicle pulled by horses or reindeer over snow or ice.
Example
Children were excited to ride in the sleigh through the snowy village.
Les enfants étaient excités de monter dans le traîneau à travers le village enneigé.
C1 adjective /ˈskwɒlɪd/

squalid

extrêmement sale
Meaning
extremely dirty and unpleasant, often due to poverty or neglect
Example
He lived in a squalid room with broken furniture.
Il vivait dans une pièce sale avec des meubles cassés.
C1 verb /ˈskʌr.i/

scurry

courir rapidement
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
Les souris ont couru rapidement à travers le sol de la cuisine lorsque les lumières se sont allumées.
C1 adjective, verb /sɪˈdeɪt/

sedate

sédater
Meaning
calm, quiet, and composed; or to administer a drug to make someone calm or sleep
Example
The nurse sedated the patient before the operation.
L'infirmière a sédaté le patient avant l'opération.
C1 noun /ˈsɔːrsəri/

sorcery

sorcellerie
Meaning
the use of magical powers, especially through spells and enchantments
Example
The villagers believed the illness was caused by sorcery.
Les villageois croyaient que la maladie était causée par la sorcellerie.
C1 adjective /seɪdʒ/

Sage

sage; prudent; ayant bon jugement
Meaning
wise; showing wisdom from experience; prudent; having good judgment
Example
The sage advice from the elder helped solve the problem.
Le sage conseil de l'aîné a aidé à résoudre le problème.
C1 adjective ˌsəʊsɪəʊpəˈlɪtɪkəl

sociopolitical

sociopolitique
Meaning
Combining social and political factors.
Example
Sociopolitical factors often influence public policy decisions.
Les facteurs sociopolitiques influencent souvent les décisions de politique publique.
C1 adjective /ˈsɛnʃənt/

sentient

sentient
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
Les humains sont des êtres sentients capables de raisonner.
C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

technologie durable
Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
La technologie durable assure un avenir plus propre.
C1 noun /ˈsaɪ.ən/

scion

descendant
Meaning
a descendant of a wealthy, aristocratic, or influential family
Example
He is the scion of a wealthy industrialist family.
Il est le descendant d'une famille d'industriels riches.
C1 noun /ˈstaɪləs/

stylus

stylet
Meaning
a small tool used for writing, drawing, or touching screens
Example
She used a stylus to draw on her tablet.
Elle a utilisé un stylet pour dessiner sur sa tablette.
C1 adjective /suːˈpɜːrlətɪv/

superlative

superlatif
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
Sa performance était superlative, lui valant une ovation debout.
C1 adjective /səkˈsɪŋkt/

succinct

concis
Meaning
Briefly and clearly expressed; characterized by clear, precise expression in few words.
Example
His speech was succinct and impactful.
Son discours était concis et percutant.
C1 noun /sɔːd fɪʃ/

Sword fish

poisson-épée
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
Le poisson-épée peut nager à des vitesses allant jusqu’à 60 mph.
C1 noun /ˈsɑːri/

Saree

sari
Meaning
a garment consisting of a length of cotton or silk elaborately draped around the body, traditionally worn by women from South Asia
Example
She looked elegant in her red silk saree at the festival.
Elle avait l'air élégante dans son sari en soie rouge lors du festival.
C1 adjective /sliːk/

sleek

élégant et brillant
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
Elle a conduit une voiture de sport brillante et élégante.
C1 noun /ˈsɪndɪkət/

syndicate

syndicat
Meaning
A group of individuals or organizations combined to promote a common interest or carry out a business venture.
Example
A syndicate of investors bought the struggling company.
Un syndicat d'investisseurs a acheté l'entreprise en difficulté.
C1 verb /skɒf/

scoff

se moquer
Meaning
to speak about something in a mocking or dismissive way
Example
He scoffed at the idea of moving abroad.
Il s'est moqué de l'idée de déménager à l'étranger.
C1 adjective /ˈsnɒbɪʃ/

snobbish

prétentieux
Meaning
having or showing the attitude of people who think they are better than others
Example
She seemed snobbish because she avoided talking to the waiters.
Elle semblait prétentieuse parce qu'elle a évité de parler aux serveurs.
C1 adjective /ˈsɔːrdɪd/

sordid

sordide
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
Le journal a exposé le passé sordide du politicien.
C1 adjective /ˈskɪtɪʃ/

skittish

nerveux
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
Le cheval était trop nerveux pour monter.
C1 noun səˈsteɪnəbəl ænd kəˈlæbərətɪv əˈproʊtʃ

sustainable and collaborative approach

approche durable et collaborative
Meaning
A method of working together that can be maintained over time without depleting resources or causing harm.
Example
A sustainable and collaborative approach is crucial for solving environmental problems.
Une approche durable et collaborative est cruciale pour résoudre les problèmes environnementaux.
C1 verb /ˈslɪðər/

slither

glisser
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
Le serpent a glissé à travers l'herbe.
C1 noun /skraɪb/

scribe

scribe
Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
Dans l'Égypte ancienne, les scribes enregistraient les événements importants.
C1 noun /sɪˈkriː.ʃən/

Secretion

sécrétion
Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
La sécrétion d'insuline est cruciale pour la régulation de la glycémie.
C1 noun /sloʊθ/

Sloth

paresse; réticence à travailler ou à faire des efforts
Meaning
laziness; reluctance to work or make an effort
Example
His sloth prevented him from achieving his goals.
Sa paresse l'a empêché d'atteindre ses objectifs.
C1 noun /ˌstætɪˈstɪʃən/

statistician

statisticien
Meaning
A person who specializes in collecting, analyzing, and interpreting numerical data.
Example
The statistician presented the survey results with great clarity.
Le statisticien a présenté les résultats du sondage avec grande clarté.
C1 noun /səˈprɑːnoʊ/

soprano

la voix féminine ou enfantine la plus haute
Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
Elle a chanté magnifiquement dans la gamme soprano pendant le concert.
C1 adjective /ˈsaɪz.mɪk/

seismic

sismique
Meaning
Relating to earthquakes or vibrations of the earth and its crust.
Example
The region is known for its seismic activity.
La région est connue pour son activité sismique.
C1 adjective /snaɪd/

snide

moqueur
Meaning
mocking or insulting in an indirect way
Example
He couldn’t resist making a snide comment about her dress.
Il ne pouvait s'empêcher de faire un commentaire moqueur sur sa robe.
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

plus rapide que la vitesse du son; lié aux vitesses supérieures à celle du son
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
Le jet supersonique a franchi le mur du son.
C1 adjective /ˈstɛlər/

stellar

exceptionnel
Meaning
Relating to stars; outstanding or excellent.
Example
She gave a stellar performance in the play.
Elle a donné une performance exceptionnelle dans la pièce.
C1 adjective /ˈstɛr.aɪl/

sterile

stérile
Meaning
Free from bacteria or other living microorganisms; incapable of producing offspring.
Example
The surgeon worked in a sterile environment to avoid infection.
Le chirurgien a travaillé dans un environnement stérile pour éviter l'infection.
C1 noun /ˈskruːpəl/

scruple

scrupule
Meaning
A moral or ethical consideration that restrains actions.
Example
He had no scruples about lying to get ahead.
Il n'avait aucun scrupule à mentir pour avancer.
C1 adjective /sɛkˈtɛəriən/

sectarian

sectaire
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
La région a été troublée par la violence sectaire pendant des décennies.
C1 adjective /ˈskrɪptʃərəl/

scriptural

scripturaire
Meaning
Relating to or contained in the scriptures or holy writings.
Example
The priest gave a scriptural reference during the sermon.
Le prêtre a donné une référence scripturaire pendant le sermon.
C1 adjective /ˈsæk.rəˌsæŋkt/

sacrosanct

sacré
Meaning
Regarded as too important or valuable to be interfered with; sacred.
Example
Freedom of speech is considered sacrosanct in democratic societies.
La liberté d'expression est considérée comme sacrée dans les sociétés démocratiques.
C1 noun /sɪr/

seer

voyant
Meaning
A person who is supposed to be able to see what will happen in the future; a prophet.
Example
The seer predicted a great change in the kingdom.
Le voyant a prédit un grand changement dans le royaume.
C1 adjective /səbˈmɪs.ɪv/

Submissive

soumis; obéissant; humble
Meaning
ready to obey others; yielding to authority; humble and compliant
Example
She became submissive after years of harsh treatment.
Elle est devenue soumise après des années de traitement sévère.
C1 adjective /ˈstɔːlwərt/

stalwart

fidèle, robuste
Meaning
Loyal, reliable, and hardworking; strongly built or sturdy.
Example
She has always been a stalwart supporter of the community.
Elle a toujours été une fidèle partisane de la communauté.
C1 noun /ˈstæl.i.ən/

stallion

étalon pour la reproduction
Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
La ferme possède un puissant étalon pour la reproduction.
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

rationalisation
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
La rationalisation des processus peut réduire considérablement les coûts opérationnels.
C1 adjective /ˈsæŋɡwɪn/

sanguine

optimiste
Meaning
Optimistic or positive, especially in a difficult situation.
Example
Despite the challenges, she remained sanguine about the future.
Malgré les défis, elle est restée optimiste quant à l'avenir.
C1 verb /sluː/

slew

virer brusquement
Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
La voiture a dérapé sur la route glacée.
C1 verb /ˌsuːpərɪmˈpoʊz/

superimpose

superposer
Meaning
to place one thing on top of another so that both can be seen
Example
The editor superimposed text over the image.
L'éditeur a superposé le texte sur l'image.
C1 noun səbˈsɪs.təns

subsistence

subsistance
Meaning
The action or fact of maintaining or supporting oneself at a minimum level.
Example
Many farmers depend on subsistence agriculture.
De nombreux agriculteurs dépendent de l'agriculture de subsistance.
C1 adjective /səˈdɪs.tɪk/

sadistic

sadique
Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
Le méchant avait un sourire sadique en infligeant de la douleur à ses ennemis.
C1 adjective /səˈnɔːrəs/

sonorous

son sonore
Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
La voix sonore de l'acteur remplissait tout le théâtre.
C1 adjective /ˈspɛərɪŋ/

sparing

économe / modéré
Meaning
Using or giving only a little of something; economical.
Example
She is sparing in her use of words.
Elle est économe dans l'utilisation des mots.
C1 noun səˈfɪʃənsi

sufficiency

suffisance
Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
La suffisance de l'approvisionnement alimentaire est essentielle pour la survie.
C1 noun /ˈstætʃər/

stature

stature, prestige
Meaning
A person's natural height or their reputation and importance.
Example
Her intellectual stature made her a respected figure in academia.
Sa stature intellectuelle a fait d'elle une figure respectée dans le monde académique.
C1 verb/noun /skɒtʃ/

scotch

mettre fin à / whisky écossais
Meaning
to put an end to something; also a type of whisky
Example
The report scotched the rumors of a merger.
Le rapport a mis fin aux rumeurs de fusion.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

intrusion de salinité
Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
L'intrusion de salinité affecte les régions côtières.