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A2 verb 11분 분량

s'infiltrer

연습하기 예시 노트와 팁 s'infiltrer 30초 만에

설명 s'infiltrer in your Level:

At the A1 level, you can think of 's'infiltrer' simply as 'water coming inside'. Imagine you have a house and it is raining very hard. If you see water on the floor but the door is closed, the water is 's'infiltrant' through the cracks. It is a slow movement. You don't need to worry about complex grammar yet; just remember that for things like rain, cold air, or sand, this word describes them entering a space slowly. It's like 'sneaking in' but for nature. You will mostly see it used with 'l'eau' (water) or 'le froid' (the cold). For example: 'L'eau s'infiltre dans la maison' (Water is seeping into the house). It's a useful word for basic survival and housing needs.

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At the A2 level, you start to use 's'infiltrer' for people too. If someone goes into a party where they were not invited, or if a child sneaks into a room quietly, they are 's'infiltrant'. You should begin to practice the reflexive conjugation: 'Je m'infiltre', 'Tu t'infiltres', 'Il s'infiltre'. Remember that in the past tense, we use 'être'. So, if you sneaked into the cinema, you would say: 'Je me suis infiltré au cinéma'. This level also introduces the idea of 'dans' (into) as the main preposition to use after the verb. It's about moving into a place without being noticed immediately.

At the B1 level, 's'infiltrer' becomes a key word for discussing news and social issues. You will use it to describe spies, undercover journalists, or even how ideas start to spread in a group. You should be comfortable with the nuance of 'stealth'. If you are writing a story about a secret mission, this is the verb you need. You also start to see it in technical contexts, like humidity in a building or a virus in a computer. You should pay attention to the agreement of the past participle: 'Les espionnes se sont infiltrées' (The female spies infiltrated). It's a word that adds precision to your descriptions of movement and entry.

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At the B2 level, you use 's'infiltrer' for more abstract and metaphorical concepts. You might talk about how corruption 's'infiltre' into a government or how a specific ideology 's'infiltre' into the education system. The focus shifts from physical entry to systemic influence. You should be able to distinguish 's'infiltrer' from synonyms like 's'insinuer' (to insinuate/creep in) or 'se propager' (to spread). You will also encounter it in literary texts where it describes emotions, like sadness or doubt, slowly taking over a character's mind. Your usage should reflect an understanding of the subtle, persistent nature of the action.

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At the C1 level, you master the stylistic nuances of 's'infiltrer'. You can use it to describe complex social phenomena, such as how cultural norms from one country 's'infiltrent' into another through media. You might use it in academic or professional writing to describe the permeation of fluids in chemistry or the subtle entry of market competitors. You understand that the verb can carry a negative connotation (like an unwanted intrusion) or a neutral scientific one. You are also proficient in using it in various moods, such as the subjunctive ('Il est crucial que personne ne s'infiltre') or the conditional, to discuss hypothetical security breaches or social changes.

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At the C2 level, 's'infiltrer' is a tool for precise and evocative expression. You can use it to analyze the 'infiltration' of philosophical concepts throughout history or the 'infiltration' of subtle linguistic changes within a language. You might use it in high-level political analysis to describe the 'entrisme' (entryism) of certain groups into political parties. Your understanding covers the full spectrum from the literal (geological infiltration of water) to the highly metaphorical (the infiltration of silence in a room). You use the word with perfect grammatical accuracy, including complex reflexive structures and nuanced prepositional choices, to convey exact shades of meaning in both speech and writing.

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연습하기 예시 노트와 팁

s'infiltrer 30초 만에

S'infiltrer means to seep, sneak, or infiltrate. It is a reflexive verb used for physical, social, and digital contexts.
Commonly used for water leaking into buildings, spies entering organizations, or computer viruses penetrating networks.
Always use 'être' in the passé composé: 'Il s'est infiltré'. The preposition 'dans' usually follows it.
Nuances include stealth, gradual movement, and passing through barriers that should prevent entry.

The French verb s'infiltrer is a versatile and essential reflexive verb that primarily describes the process of passing through or into something in a gradual, often subtle, or unauthorized manner. At its core, it evokes the image of a fluid moving through a porous material, but its usage extends far beyond the physical realm into social, political, and digital contexts. When you use this word, you are suggesting a movement that is not abrupt or forceful, but rather persistent and sneaky.

Physical Permeation: This is the most literal use of the word. It describes how liquids, gases, or even cold air find their way through cracks, soil, or fabrics. For example, rain seeping into a basement or humidity entering a wall are classic scenarios for s'infiltrer. It implies a slow progression where the substance eventually saturates the target area.

L'eau de pluie commence à s'infiltrer par les petites fissures du toit ancien.

Social and Espionage Contexts: In a human context, the verb takes on a more clandestine meaning. It refers to individuals or groups entering a group, organization, or territory secretly to gather information or influence outcomes. Think of an undercover police officer or a spy. The key here is the lack of detection; the person becomes part of the environment without being noticed as an outsider.

L'agent secret a réussi à s'infiltrer dans l'organisation criminelle sans éveiller les soupçons.

Beyond these, the word is increasingly common in the digital age. Computer viruses or hackers are described as s'infiltrant into secure networks. It can also be used metaphorically for ideas or cultural influences that slowly become part of a society's fabric. If a new fashion trend or a specific ideology starts appearing everywhere without a single clear starting point, you could say it is infiltrating the culture. It carries a nuance of being unstoppable once it starts, as the 'filter' has already been breached.

Le froid glacial finit par s'infiltrer sous nos vêtements malgré nos manteaux épais.

Abstract and Psychological Usage: In literature and psychology, s'infiltrer describes how emotions or thoughts take hold. Doubt can infiltrate a mind, or melancholy can infiltrate a happy atmosphere. This usage highlights the pervasive and often unwanted nature of the intrusion, where the boundaries of the self or the environment are slowly compromised by an external influence.

Le doute a fini par s'infiltrer dans ses pensées, remettant tout en question.

Les manifestants ont tenté de s'infiltrer derrière les lignes de police.

Using s'infiltrer correctly requires attention to its reflexive nature and the prepositions that typically follow it. Most commonly, you will use the preposition dans (into) to indicate the destination of the infiltration. Whether you are talking about a physical space, a group of people, or a digital system, dans is your primary tool. Occasionally, you might use à travers (through) if the focus is on the medium being penetrated, such as water through a wall.

Grammatical Structure: The basic formula is [Subject] + [Reflexive Pronoun] + [Conjugated Verb] + [Preposition] + [Object]. For instance: 'L'humidité (subject) s' (pronoun) infiltre (verb) dans (preposition) la cave (object)'. If you are using an infinitive, the reflexive pronoun still changes to match the subject: 'Je veux m'infiltrer' (I want to infiltrate).

Il est facile pour un virus de s'infiltrer dans un ordinateur non protégé.

Agreement in Past Tenses: In the passé composé, the past participle infiltré must agree in gender and number with the subject, because the reflexive pronoun acts as the direct object. Example: 'Elles se sont infiltrées' (They [feminine] infiltrated). If the subject is masculine plural, it becomes 'Ils se sont infiltrés'.

La lumière du matin commençait à s'infiltrer doucement à travers les rideaux.

When describing movement into a crowd or a social circle, the verb emphasizes the stealth and the gradual nature of the entry. It’s not just about entering; it’s about entering without being seen as a disruption. In journalistic French, you often see this in reports about political parties or activist groups. The verb suggests a level of deception or at least a very subtle approach. In weather reports, it describes how cold fronts or moisture move into a region.

L'espion a réussi à s'infiltrer dans le palais royal en se déguisant en cuisinier.

Common Contexts for Learners: 1. Home maintenance: 'L'eau s'infiltre par la fenêtre.' 2. Social situations: 'Il s'est infiltré dans la conversation.' 3. Technology: 'Le logiciel malveillant s'infiltre dans le système.' 4. Nature: 'Le sable s'infiltre partout sur la plage.'

La peur commençait à s'infiltrer parmi les passagers après l'annonce du retard.

Une odeur de café fraîchement moulu s'est mise à s'infiltrer dans tout l'appartement.

You will encounter s'infiltrer in a surprisingly wide array of real-world French contexts. From mundane household problems to high-stakes political thrillers, the word is a staple of both everyday conversation and formal reporting. Understanding where it pops up will help you grasp its different shades of meaning and the level of formality it carries.

The News and Media: In French news broadcasts (like TF1 or France 2), journalists frequently use this verb when discussing security breaches, investigative journalism, or social movements. You might hear about a journalist who s'est infiltré into a cult to expose their secrets, or how protesters se sont infiltrés into a restricted area. It adds a sense of drama and stealth to the reporting.

Le reportage montre comment les enquêteurs ont pu s'infiltrer dans le réseau de trafic.

Construction and DIY: If you ever have to deal with French landlords, plumbers, or contractors, you will hear this word constantly. In this context, it refers to 'leaks' or 'dampness'. If a wall is damp, the professional might say: 'L'humidité s'infiltre par la façade.' It is the standard technical term for water or air entering where it shouldn't. It sounds more precise than simply saying 'the water enters'.

Il faut réparer ces joints sinon le froid va s'infiltrer dans tout le salon.

In the world of technology and cybersecurity, French tech blogs and IT professionals use s'infiltrer to describe malware behavior. When a Trojan horse or a worm enters a system, it doesn't just 'arrive'; it 'infiltrates'. This highlights the hidden and systemic nature of the threat. Similarly, in social science or marketing, you might hear about how a brand's message s'infiltre into the collective consciousness of a target demographic.

Le hacker a réussi à s'infiltrer dans la base de données de l'entreprise.

Literature and Poetry: French authors use this verb to create atmosphere. A shadow might 's'infiltrer' across a room, or a feeling of unease might 's'infiltrer' into a character's heart. It suggests a slow, creeping change that the character might not be able to stop. It is a very evocative verb for describing the passage of time or the spread of an emotion.

Une douce mélancolie a commencé à s'infiltrer dans son âme à la tombée de la nuit.

L'air marin s'est mis à s'infiltrer par la fenêtre ouverte, apportant une odeur de sel.

Even though s'infiltrer seems straightforward, English speakers and even intermediate French learners often stumble on a few specific points. Avoiding these common pitfalls will make your French sound much more natural and precise. The most frequent errors involve the reflexive pronoun, auxiliary choice, and confusion with similar-sounding or similar-meaning verbs.

Forgetting the Reflexive Pronoun: Since 'infiltrate' is not reflexive in English, many learners say 'L'eau infiltre le mur' instead of 'L'eau s'infiltre dans le mur'. While 'infiltrer' (non-reflexive) exists, it has a very specific medical or technical meaning (like giving an injection). For the sense of seeping or sneaking, you MUST use the 'se'.

Incorrect: L'espion a infiltré le bâtiment.
Correct: L'espion s'est infiltré dans le bâtiment.

Using the Wrong Auxiliary: In the passé composé, all reflexive verbs use 'être'. English speakers often default to 'avoir' because they translate 'has infiltrated' literally. Remember: 'Il s'est infiltré' (He has infiltrated himself into...), not 'Il s'a infiltré'.

Incorrect: L'eau s'a infiltrée par le toit.
Correct: L'eau s'est infiltrée par le toit.

Another mistake is confusing s'infiltrer with pénétrer. While they are related, pénétrer is often more direct or forceful. S'infiltrer always implies a certain level of stealth, gradualness, or passing through a barrier that should have stopped it. If a thief smashes a window and jumps in, they 'pénètrent'. If they pick the lock and slowly enter without anyone knowing, they 's'infiltrent'.

Il ne faut pas dire 'Le froid s'infiltre la maison' - il faut s'infiltrer DANS la maison.

Agreement Issues: Learners often forget to add the 'e' or 's' to the past participle when the subject is feminine or plural. Since the reflexive pronoun 'se' is the direct object here, agreement with the subject is required. 'Elles se sont infiltrées' (They infiltrated) needs that extra 'es'.

Les idées nouvelles se sont infiltrées dans la société (agreement with 'idées' which is feminine plural).

Ne confondez pas s'infiltrer avec 'filtrer' (to filter). L'un est l'entrée, l'autre est le processus de nettoyage.

To truly master s'infiltrer, it helps to understand its 'neighbors'—words that share similar meanings but have different nuances. Choosing the right alternative can make your French more precise and expressive. Depending on whether you are talking about water, people, or ideas, different verbs might be more appropriate.

Se glisser: Meaning 'to slip' or 'to slide'. This is often used for people moving quietly. While s'infiltrer suggests a process of getting through a barrier or into a group, se glisser is more about the physical ease and silence of the movement. You might 'se glisser' into bed or 'se glisser' through a crowd.

Il a réussi à se glisser dans la salle sans que personne ne le voie.

S'introduire: Meaning 'to break in' or 'to introduce oneself'. This is often used in legal contexts for unauthorized entry (trespassing). It is less about 'seeping' and more about the act of getting inside. 'S'introduire par effraction' is the standard term for breaking and entering.

Quelqu'un a tenté de s'introduire dans le bureau pendant la nuit.

When dealing with abstract concepts like ideas or feelings, you might use se répandre (to spread) or pénétrer (to penetrate). Se répandre is better if the idea is moving quickly and widely, like a rumor. S'infiltrer is better if the idea is entering a place where it is perhaps not welcome or where it is moving very slowly and subtly.

La rumeur a commencé à se répandre dans tout le village en quelques heures.

Comparisons Table

S'infiltrer: Focus on stealth, barriers, and gradual movement.
Pénétrer: Focus on depth and reaching the inside (can be forceful).
S'insinuer: Focus on subtle, often manipulative entry (like a comment or a person).
Passer: The most neutral term for 'to pass'.

Il a l'art de s'insinuer dans les bonnes grâces des gens puissants.

L'eau finit toujours par trouver un chemin pour s'infiltrer.

How Formal Is It?

격식체

"Les agents ont pour mission de s'infiltrer au sein de la structure adverse."

중립

"L'eau s'infiltre par la fissure du plafond."

비격식체

"Il s'est infiltré à la soirée sans payer."

Child friendly

"Le petit chat s'infiltre tout doucement dans la maison."

속어

"Il s'est incrusté (more common slang) / Il s'est infiltré en scred."

재미있는 사실

The word 'filter' and 'infiltrate' share the same 'felt' ancestor because felt was one of the earliest materials used to strain or filter liquids. So, when you infiltrate, you are conceptually 'passing through the felt'.

발음 가이드

UK /sɛ̃.fil.tʁe/

US /sɛ̃.fil.tʁe/

The stress is slightly on the final syllable '-tre'.

라임이 맞는 단어

pénétrer concentrer montrer rentrer enregistrer illustrer administrer frustrer

자주 하는 실수

Pronouncing the 'n' in 'in' as a hard English 'n'. It should be a nasal vowel.
Pronouncing the 'r' like an English 'r'.
Forgetting the reflexive 's'' at the beginning.
Pronouncing the 'e' at the end like 'ee' instead of 'ay'.
Treating it as three distinct syllables without the smooth nasal transition.

난이도

독해 2/5

Easy to recognize due to English cognate 'infiltrate'.

쓰기 3/5

Requires remembering the reflexive pronoun and 'être' in past tense.

말하기 3/5

Nasal 'in' and final 'tre' can be tricky for beginners.

듣기 2/5

Clear pronunciation usually, but can be fast in news reports.

다음에 무엇을 배울까

선수 학습

entrer se dans eau mur

다음에 배울 것

s'insinuer s'introduire étanche fuite espionnage

고급

perméabilité osmose entrisme insidieux

알아야 할 문법

Reflexive Verbs in Passé Composé

Je me suis infiltré (I infiltrated).

Past Participle Agreement with Reflexive Pronouns

Elle s'est infiltrée (Agreement with 'elle').

Preposition 'Dans' vs 'À travers'

S'infiltrer dans la pièce vs S'infiltrer à travers le mur.

Nasal Vowels (in/im)

The 'in' in s'infiltrer is nasal.

Subjunctive after verbs of fear

J'ai peur qu'il ne s'infiltre.

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수준별 예문

L'eau s'infiltre dans la cave.

Water is seeping into the basement.

Present tense, reflexive.

Le froid s'infiltre par la porte.

The cold is seeping in through the door.

Reflexive verb with 'par'.

Le sable s'infiltre dans mes chaussures.

Sand is getting into my shoes.

Third person singular reflexive.

La pluie s'infiltre sous le toit.

The rain is seeping under the roof.

Reflexive verb 's'infiltrer'.

L'air s'infiltre par la fenêtre.

Air is seeping through the window.

Present tense.

La poussière s'infiltre partout.

Dust is getting in everywhere.

Reflexive verb.

L'humidité s'infiltre dans les murs.

Humidity is seeping into the walls.

Present tense.

Le vent s'infiltre dans la tente.

The wind is seeping into the tent.

Reflexive verb.

Il s'est infiltré dans la fête sans invitation.

He sneaked into the party without an invitation.

Passé composé with 'être'.

Nous nous sommes infiltrés dans le groupe.

We sneaked into the group.

First person plural, passé composé.

Elle veut s'infiltrer dans le bureau.

She wants to sneak into the office.

Infinitive with reflexive pronoun.

Les enfants s'infiltrent dans le jardin.

The children are sneaking into the garden.

Third person plural reflexive.

Tu t'infiltres toujours dans mes affaires !

You are always sneaking into my business!

Informal usage.

Le chat s'infiltre dans la chambre.

The cat is sneaking into the bedroom.

Reflexive verb.

On s'est infiltré par la porte de derrière.

We sneaked in through the back door.

Passé composé with 'on'.

L'espion s'infiltre dans le château.

The spy is sneaking into the castle.

Present tense.

Le journaliste s'est infiltré dans le culte pour enquêter.

The journalist infiltrated the cult to investigate.

Passé composé, masculine singular.

Un virus informatique s'est infiltré dans le réseau.

A computer virus infiltrated the network.

Technological context.

L'eau s'est infiltrée à travers les fondations de l'immeuble.

Water seeped through the building's foundations.

Agreement: 'infiltrée' with 'eau'.

Ils ont peur que des manifestants s'infiltrent dans le cortège.

They are afraid that protesters will infiltrate the procession.

Subjunctive mood after 'avoir peur que'.

La lumière s'infiltre entre les volets clos.

Light is seeping between the closed shutters.

Poetic/descriptive usage.

Elle a réussi à s'infiltrer dans les hautes sphères de la société.

She managed to infiltrate the upper echelons of society.

Figurative usage.

Le froid s'est infiltré dans mes os.

The cold seeped into my bones.

Idiomatic expression for being very cold.

Des rumeurs commencent à s'infiltrer dans le village.

Rumors are starting to seep into the village.

Metaphorical usage.

La corruption s'est infiltrée à tous les niveaux du gouvernement.

Corruption has infiltrated all levels of government.

Abstract systemic usage.

Le doute s'est infiltré dans son esprit après son échec.

Doubt seeped into his mind after his failure.

Psychological usage.

Les agents doubles tentent de s'infiltrer dans les services secrets.

Double agents are trying to infiltrate the secret services.

Espionage context.

L'idéologie s'infiltre lentement dans le discours public.

The ideology is slowly infiltrating public discourse.

Sociopolitical usage.

Une certaine lassitude s'est infiltrée dans leur relation.

A certain weariness has seeped into their relationship.

Emotional context.

Le logiciel malveillant s'est infiltré par une faille de sécurité.

The malware infiltrated through a security flaw.

Cybersecurity context.

La modernité s'infiltre même dans les traditions les plus anciennes.

Modernity is infiltrating even the oldest traditions.

Cultural observation.

Il craignait que le désespoir ne s'infiltre dans son cœur.

He feared that despair would seep into his heart.

Subjunctive with 'ne' explétif.

L'eau de ruissellement s'infiltre dans la nappe phréatique.

Runoff water infiltrates the groundwater table.

Scientific/Environmental context.

Le néolibéralisme s'est infiltré dans toutes les politiques publiques.

Neoliberalism has infiltrated all public policies.

Advanced political analysis.

Une influence étrangère s'infiltre insidieusement dans les médias nationaux.

Foreign influence is insidiously infiltrating national media.

Focus on the adverb 'insidieusement'.

La poésie de Baudelaire s'infiltre dans la prose de nombreux auteurs contemporains.

Baudelaire's poetry infiltrates the prose of many contemporary authors.

Literary analysis.

Il est impératif d'empêcher que des éléments radicaux ne s'infiltrent dans le mouvement.

It is imperative to prevent radical elements from infiltrating the movement.

Complex structure with 'empêcher que'.

La mélancolie s'infiltre dans les interstices de son récit.

Melancholy seeps into the gaps of his narrative.

Metaphorical/Literary.

Le gaz s'est infiltré par les conduits d'aération.

The gas seeped through the ventilation ducts.

Technical/Hazardous context.

Les capitaux étrangers s'infiltrent massivement sur le marché immobilier.

Foreign capital is massively infiltrating the real estate market.

Economic context.

L'entropie finit par s'infiltrer dans tout système clos.

Entropy eventually infiltrates every closed system.

Philosophical/Scientific principle.

On observe comment le sacré s'infiltre dans le profane au sein de ces rituels.

One observes how the sacred infiltrates the profane within these rituals.

Sociological/Theological analysis.

La déconstruction s'est infiltrée dans les fondements mêmes de la pensée occidentale.

Deconstruction has infiltrated the very foundations of Western thought.

High-level intellectual discourse.

Le silence s'infiltrait dans la pièce comme un brouillard épais.

Silence seeped into the room like a thick fog.

Advanced descriptive simile.

L'entrisme permet à une minorité de s'infiltrer dans les structures décisionnelles.

Entryism allows a minority to infiltrate decision-making structures.

Political science terminology.

Une certaine amertume s'infiltrait dans sa voix, malgré ses dénégations.

A certain bitterness seeped into his voice, despite his denials.

Subtle character description.

Les particules fines s'infiltrent jusque dans les alvéoles pulmonaires.

Fine particles infiltrate even into the pulmonary alveoli.

Medical/Biological precision.

L'ironie s'infiltre dans chaque ligne de ce pamphlet politique.

Irony infiltrates every line of this political pamphlet.

Rhetorical analysis.

자주 쓰는 조합

s'infiltrer dans un réseau

s'infiltrer par les fissures

s'infiltrer dans une organisation

s'infiltrer dans l'esprit

s'infiltrer dans la foule

s'infiltrer sous les vêtements

s'infiltrer dans le sol

s'infiltrer partout

s'infiltrer clandestinement

s'infiltrer doucement

자주 쓰는 구문

L'eau s'infiltre.

— Literally 'Water is seeping in'. Used to describe a leak.

Appelle le plombier, l'eau s'infiltre dans le plafond.

S'infiltrer dans les rangs.

— To join the ranks of a group, often secretly.

Il a réussi à s'infiltrer dans les rangs de l'ennemi.

Se laisser infiltrer.

— To allow oneself or one's group to be infiltrated.

Le parti s'est laissé infiltrer par des extrémistes.

S'infiltrer par effraction.

— Though 's'introduire' is more common, this emphasizes the stealthy break-in.

Il a tenté de s'infiltrer par effraction dans le coffre-fort.

S'infiltrer dans la vie de quelqu'un.

— To gradually become a part of someone's life, often unwantedly.

Elle s'est infiltrée dans sa vie de façon très subtile.

Le froid s'infiltre.

— The cold is getting in.

Ferme la fenêtre, le froid s'infiltre !

S'infiltrer dans le système.

— To enter a system (computer or social).

Le virus s'est infiltré dans le système central.

S'infiltrer derrière les lignes.

— To go behind enemy lines (military).

Les commandos se sont infiltrés derrière les lignes ennemies.

S'infiltrer dans le décor.

— To blend into the background/scenery.

L'animal s'infiltre dans le décor pour chasser.

S'infiltrer dans une réunion.

— To crash or sneak into a meeting.

Il s'est infiltré dans la réunion du conseil.

자주 혼동되는 단어

s'infiltrer vs filtrer

Filtrer means to filter (clean/process), s'infiltrer means to enter through a filter.

s'infiltrer vs pénétrer

Pénétrer is more general and can be forceful; s'infiltrer is always gradual or sneaky.

s'infiltrer vs s'introduire

S'introduire often implies a more sudden or illegal break-in.

관용어 및 표현

"S'infiltrer comme une ombre"

— To move or enter as silently and invisibly as a shadow.

L'espion s'est infiltré dans le palais comme une ombre.

Literary

"Le mal s'infiltre partout"

— A pessimistic view that corruption or evil spreads everywhere.

Dans ce film, on voit comment le mal s'infiltre partout.

General

"S'infiltrer dans les bonnes grâces"

— To slowly and carefully gain someone's favor.

Il s'est infiltré dans les bonnes grâces du patron.

Neutral

"L'humidité s'infiltre dans les os"

— To feel extremely cold and damp to the core.

Avec ce brouillard, l'humidité s'infiltre dans les os.

Informal

"S'infiltrer dans la brèche"

— To take advantage of a small opening or weakness.

L'opposition s'est infiltrée dans la brèche laissée par le gouvernement.

Journalistic

"S'infiltrer par un trou de souris"

— To enter through an extremely small or unlikely opening.

Il est si mince qu'il pourrait s'infiltrer par un trou de souris.

Child-friendly

"S'infiltrer dans le cœur"

— For a feeling (love, hate, sadness) to take root deeply.

Sa tristesse s'est infiltrée dans son cœur.

Poetic

"S'infiltrer dans les moindres recoins"

— To reach every single corner of a place.

La fumée s'est infiltrée dans les moindres recoins de la maison.

Neutral

"S'infiltrer dans le tissu social"

— For an idea or group to become part of society.

Ces nouvelles valeurs s'infiltrent dans le tissu social.

Academic

"S'infiltrer dans la mémoire"

— For a thought or image to stay in one's mind persistently.

Cette mélodie s'est infiltrée dans ma mémoire.

Literary

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s'infiltrer vs Infiltrer (non-reflexive)

Looks identical but lacks the 'se'.

The non-reflexive version is medical (giving an injection) or technical. The reflexive 's'infiltrer' is for seeping/sneaking.

Le médecin infiltre le genou (injection). L'eau s'infiltre dans le genou (seeping - unlikely but grammatically correct).

s'infiltrer vs S'insinuer

Similar meaning of subtle entry.

S'insinuer is usually social or psychological (creeping into someone's mind). S'infiltrer is more physical or organizational.

Il s'insinue dans mes pensées.

s'infiltrer vs Se glisser

Both mean moving quietly.

Se glisser is about the physical ease of movement (sliding). S'infiltrer is about overcoming a barrier or filter.

Il se glisse sous les draps.

s'infiltrer vs Fuiter

Related to water and leaks.

Fuiter means to leak out (water leaving). S'infiltrer means to seep in (water entering).

Le tuyau fuite. L'eau s'infiltre dans le mur.

s'infiltrer vs S'incruster

Both involve entering where not invited.

S'incruster is slang and implies staying too long or being annoying. S'infiltrer is more about the act of entering secretly.

Il s'incruste toujours chez moi.

문장 패턴

L'eau s'infiltre dans [lieu].

L'eau s'infiltre dans la maison.

Il s'est infiltré dans [groupe].

Il s'est infiltré dans la classe.

Un [problème] s'est infiltré dans [système].

Un virus s'est infiltré dans le réseau.

Le [sentiment] s'infiltre dans [esprit].

Le doute s'infiltre dans mon esprit.

[Concept] s'infiltre insidieusement dans [domaine].

La politique s'infiltre insidieusement dans le sport.

Il est à craindre que [sujet] ne s'infiltre dans [structure].

Il est à craindre que la corruption ne s'infiltre dans l'institution.

Réussir à s'infiltrer dans [lieu].

Il a réussi à s'infiltrer dans le bâtiment.

Vouloir s'infiltrer dans [lieu].

Je veux m'infiltrer dans le jardin.

어휘 가족

명사

동사

형용사

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frequency

Common in news, weather, and technology discussions.

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L'espion a infiltré le bâtiment. → L'espion s'est infiltré dans le bâtiment.
You must use the reflexive 'se' for the sense of sneaking in. Without 'se', it has technical or medical meanings.
L'eau s'a infiltré dans la cave. → L'eau s'est infiltrée dans la cave.
Reflexive verbs always use 'être' as the auxiliary in the passé composé, and the participle must agree with the subject.
Il s'infiltre à la fête. → Il s'infiltre dans la fête.
The preposition 'dans' is required to indicate the group or space being entered.
Le froid infiltre la maison. → Le froid s'infiltre dans la maison.
Again, the reflexive pronoun 'se' is missing. The cold 'infiltrates itself' into the house.
Elles se sont infiltré dans le bureau. → Elles se sont infiltrées dans le bureau.
The past participle 'infiltré' must agree with the feminine plural subject 'elles'.

팁

Reflexive Agreement

Always remember to agree the past participle with the subject. If 'les eaux' (feminine plural) is the subject, use 's'est infiltrées'.

Cognate Alert

Use your English knowledge! 'Infiltrate' and 's'infiltrer' are very similar, but the French version is more common for physical leaks.

Nasal 'In'

Don't say 'in' like in 'inside'. Say it like the 'un' in 'lunch' but without the 'n' sound at the end. It's a pure nasal vowel.

Home Maintenance

If you see a damp patch on your wall in France, tell your landlord: 'Il y a une infiltration d'eau'. It sounds very professional.

Spy Talk

When watching French thrillers, listen for this word. It's essential for understanding plot points about undercover missions.

Metaphors

Use 's'infiltrer' to describe feelings like doubt or sadness to make your writing more evocative and sophisticated.

Preposition Choice

Default to 'dans' for the place being entered. Use 'par' for the opening (crack, window, vent).

vs. S'introduire

Use 's'infiltrer' for stealth and 's'introduire' for the simple act of getting inside, especially if it's illegal.

Identifying Tense

If you hear 's'est' before the word, it's past tense. If you hear 's'infiltre', it's present.

The Filter Rule

If it has to pass through something (a filter, a wall, a crowd), use 's'infiltrer'.

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기억법

Think of 'In-Filter'. Something is going 'In' through a 'Filter'. It's slow and passes through tiny holes.

시각적 연상

Imagine water droplets slowly moving through a thick sponge or a spy wearing a black suit passing through a laser grid.

Word Web

eau espion secret lentement mur virus froid passé

챌린지

Try to use 's'infiltrer' in three different ways today: once for the weather, once for a person, and once for a feeling.

어원

Derived from the French word 'filtre' (filter), which comes from the Medieval Latin 'filtrum' (felt, used for straining liquids).

원래 의미: Originally referred to the physical process of a liquid passing through a filter or porous material.

Romance (Latin root)

문화적 맥락

Be careful when using it to describe people; it can imply they are doing something illegal or sneaky.

In English, 'infiltrate' sounds more formal or military. In French, it is used more broadly for everyday things like water leaks.

Le Bureau des Légendes (TV series about spies infiltrating foreign countries) L'Infiltré (Various movie titles) Infiltration (A common theme in French resistance history)

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실제 사용 상황

Housing Problems

L'eau s'infiltre.
Problème d'infiltration.
S'infiltrer par le toit.
Humidité qui s'infiltre.

Espionage/Action

S'infiltrer dans la base.
Agent infiltré.
S'infiltrer sans bruit.
Mission d'infiltration.

Computing

Le virus s'infiltre.
S'infiltrer dans le serveur.
Logiciel infiltré.
Tentative d'infiltration.

Nature/Weather

Le froid s'infiltre.
L'eau s'infiltre dans le sol.
Le vent s'infiltre partout.
S'infiltrer sous la porte.

Social Situations

S'infiltrer dans la conversation.
S'infiltrer dans un groupe.
S'infiltrer à une fête.
Se laisser infiltrer.

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"As-tu déjà eu de l'eau qui s'infiltre dans ton appartement ?"

"Penses-tu qu'un espion pourrait s'infiltrer facilement dans ton entreprise ?"

"Comment empêcher le froid de s'infiltrer chez toi en hiver ?"

"Est-ce que tu t'es déjà infiltré à un événement sans invitation ?"

"Comment les idées nouvelles s'infiltrent-elles dans notre société selon toi ?"

일기 주제

Décrivez un moment où vous avez dû vous infiltrer quelque part discrètement.

Imaginez qu'un sentiment de joie s'infiltre dans une ville triste. Que se passe-t-il ?

Écrivez sur un problème technique (comme une fuite d'eau) en utilisant le mot s'infiltrer.

Si vous étiez un agent secret, comment choisiriez-vous de vous infiltrer dans un château ?

Analysez comment les réseaux sociaux s'infiltrent dans notre vie quotidienne.

자주 묻는 질문

10 질문

Not necessarily. While it often implies unauthorized entry (like a spy or a virus), it can be neutral in scientific contexts, such as water infiltrating the soil to nourish plants. It simply describes the method of entry (gradual and through a barrier).

Yes! It is very common to say 'Une odeur s'infiltre dans la cuisine'. It suggests the smell is coming from somewhere else, perhaps through a vent or under a door, and is gradually filling the space.

Almost always 's'infiltrer dans'. 'Dans' indicates the interior of the space or group. You might use 'à travers' if you are focusing on the barrier (e.g., 'à travers le mur'). Using 'à' alone is usually incorrect.

The most common term is 'un agent infiltré'. Here, 'infiltré' is used as an adjective (the past participle). It literally means 'an infiltrated agent'.

'Entrer' is simple entry. 'S'infiltrer' implies that there was some kind of barrier or that the entry was slow and hidden. You enter a room through an open door, but you infiltrate a room through a vent.

Absolutely. This is a common metaphorical use. You can say 'Cette idéologie s'infiltre dans l'opinion publique'. It suggests a slow, almost invisible spread of the idea.

Yes, the 't' is clearly pronounced because it is followed by an 'r'. The syllable is 'tre'. Listen for the 'tr' sound similar to 'train' but softer.

Because it is a reflexive verb, it always uses 'être'. Example: 'L'eau s'est infiltrée'. Never use 'avoir' with reflexive verbs in the passé composé.

Yes, especially if you are talking about home maintenance (leaks), the weather (cold air), or news (espionage/hacking). It is a standard A2/B1 level vocabulary word.

Yes, it is very poetic. 'La lumière s'infiltre par les volets' describes how thin beams of light come through the gaps in shutters.

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