This page in your language

فارسی

العربية

Deutsch

Español

Français

日本語

한국어

Português

中文

हिन्दी

Home
Learn
French
Vocabulary
obsession

B2 noun #7,000 most common 11 min read

obsession

Top 7,000

Practice it Examples Notes & Tips obsession in 30 Seconds

Explanation obsession in your Level:

At the A1 level, you only need to know that 'obsession' is a word for when you think about one thing all the time. It is very similar to the English word, so it is easy to remember. You can use it for simple things like food or games. For example, 'J'ai une obsession pour le chocolat' (I have an obsession for chocolate). Just remember that in French, we say 'une obsession' because it is a feminine word. You don't need to worry about complex grammar yet. Just use it like you would use the word 'passion' but a bit stronger. If you love a singer and talk about them every day, your friends might say you have an obsession. It's a fun word to use when you want to show you really, really like something. Try to use it with the word 'pour' which means 'for'. 'Mon obsession pour Paris' is a great sentence for a beginner to practice.

At the A2 level, you can start using 'obsession' to describe people's habits or strong interests in more detail. You should focus on the fact that it is a feminine noun and that it usually takes the preposition 'pour'. You can also begin to use the adjective 'obsédé' (obsessed), but remember to add an 'e' if the person is female: 'Elle est obsédée par son travail'. At this level, you might hear this word in simple stories or descriptions of characters. It is a good word to use when describing someone's personality in a simple way. You can say 'Il a une obsession pour la propreté' (He has an obsession with cleanliness). This is a step up from just saying 'He likes to clean'. It shows you understand intensity. You should also be aware that 'obsession' can be a bit negative, so use it carefully when talking about your friends!

By B1, you should be comfortable using 'obsession' in both positive and negative contexts. You can start to use it with more complex verbs like 'devenir' (to become) or 'nourrir' (to harbor). For example, 'Son intérêt pour le sport est devenu une obsession'. You should also be able to distinguish between 'une obsession' and 'une passion'. A B1 learner knows that 'passion' is usually good, while 'obsession' can be a problem. You can use it to discuss social issues in a simple way, like 'l'obsession de la minceur' (the obsession with thinness) in society. You should also start noticing the word in media, like in movies or news articles. At this level, you should be careful with the adjective 'obsédé' because, without a context like 'obsédé par...', it can sometimes mean 'pervert'. Always use 'obsédé par' to stay safe and clear in your communication.

At the B2 level, 'obsession' is a key word for expressing nuanced opinions and describing psychological states. You should use it to critique behaviors or to describe intense dedication in a professional or artistic context. You are expected to use various prepositions correctly: 'obsession pour' for objects and 'obsession de' for concepts (like 'l'obsession de la perfection'). You should also be familiar with synonyms like 'hantise' or 'idée fixe' and know when to use them instead of 'obsession' to be more precise. For instance, 'hantise' is better when describing a fear of failure. You can use the word in the plural to describe a complex mental state: 'Il est en proie à ses obsessions'. At B2, you should be able to discuss the role of obsession in literature or film using this vocabulary. You can also use it in business contexts, such as 'l'obsession du client', to show a high level of professional French.

At the C1 level, your use of 'obsession' should be sophisticated and contextually perfect. You should understand the historical and clinical origins of the word and be able to use it in academic or high-level professional discussions. You might use it to analyze political trends, such as 'l'obsession identitaire' in modern discourse. You should be able to use the word as part of complex idiomatic expressions and understand its role in 19th-century French literature (like the works of Zola or Balzac). You should also be able to discuss the fine line between 'persévérance' and 'obsession' in a philosophical way. Your grammar should be flawless, including the use of abstract noun phrases like 'le caractère obsessionnel de sa démarche'. At this level, you can also use related terms like 'obsidional' (related to a siege, but sometimes used metaphorically) or 'obsédant' (haunting/obsessive) as an adjective for music or thoughts.

At the C2 level, you have a complete mastery of 'obsession' and its entire semantic field. You can use the word to engage in deep psychological or sociological analysis. You understand the nuances of the word in psychoanalytic theory (Freud, Lacan) and how it differs from 'compulsion' or 'phobie'. You can use the word in highly literary or poetic ways, perhaps using it to describe the 'obsession de l'absolu' in a philosophical essay. You are also aware of the word's etymology (from the Latin 'obsessio', meaning to besiege) and can use this knowledge to enrich your writing. You can switch between different registers effortlessly, from the clinical to the colloquial, and you can identify when the word is being used ironically or hyperbolically in complex native speech. Your ability to use 'obsession' and its derivatives (obsédant, obsessionnel, obsidional) is indistinguishable from that of an educated native speaker.

Practice it Examples Notes & Tips

obsession in 30 Seconds

Obsession is a feminine noun in French (une obsession) meaning a persistent, often intrusive thought or fixation.
It is commonly used with the prepositions 'pour' (for an object) and 'de' (for a concept or action).
While it can mean a strong hobby, it often carries a negative connotation of being out of control or pathological.
Common synonyms include 'idée fixe' for stubbornness and 'hantise' for a fear-based haunting thought.

The French word obsession is a feminine noun that mirrors the English term in both form and core meaning, yet it carries a specific weight in the French linguistic landscape. At its heart, an obsession is an idea, a desire, or a fear that occupies the mind to the exclusion of almost everything else. In French, this term is used across various registers, from clinical psychology to casual everyday conversation about hobbies or habits. When a French speaker uses the word obsession, they are often describing a state where the boundary between interest and compulsion has been blurred. It is not merely liking something; it is being haunted or driven by it. This word is essential for B2 learners because it allows for the expression of intense mental states and the critique of behavior that has become disproportionate. Whether discussing a character in a classic novel like Balzac’s 'Le Père Goriot' or talking about a friend's new fitness routine, obsession provides the necessary nuance to describe a mind that has lost its balance.

Psychological Context: In a clinical or formal setting, l'obsession refers to intrusive thoughts that are difficult to dismiss. It is the root of the term 'Trouble Obsessionnel-Compulsif' (TOC), which is the French equivalent of OCD. Here, the word is treated with gravity, signifying a lack of control over one's mental focus.

Sa passion pour les timbres est devenue une véritable obsession qui l'isole de ses amis.

Everyday Hyperbole: Informally, French speakers use the word to describe a strong interest. If someone is constantly talking about a new TV show or a specific diet, a friend might say, 'C'est une obsession chez toi !' (It's an obsession with you!). This usage is less about pathology and more about noting an exaggerated focus.

Artistic and Literary Use: French literature often explores the theme of obsession. From the romantic obsessions of Stendhal's characters to the existential obsessions of Camus, the word serves as a catalyst for narrative tension. It implies a tragic flaw or a driving force that leads to a character's downfall or transformation.

L'artiste travaillait jour et nuit, poussé par une obsession de perfection absolue.

Elle a une obsession pour la propreté qui fatigue tout son entourage.

L'idée de perdre son emploi est devenue une obsession constante pour lui.

Sa seule obsession était de retrouver la trace de son passé.

Understanding the word obsession also requires recognizing its synonyms like 'hantise' (a haunting fear) or 'idée fixe' (a fixed idea). While obsession is versatile, these alternatives can provide more specific emotional coloring. For instance, 'hantise' is much more negative and fear-based than the neutral-to-negative obsession. To master this word is to master the art of describing the human mind's tendency to fixate, a theme that is deeply embedded in French culture and discourse.

Using obsession correctly in French involves more than just translating the English word. It requires an understanding of the prepositions that typically follow it and the verbs that commonly act upon it. Most frequently, obsession is followed by the preposition pour (for) or de (of/about). For example, one might have an 'obsession pour le détail' (obsession for detail) or an 'obsession de la réussite' (obsession with success). The choice between these prepositions can sometimes be subtle, but pour often points toward an object of interest, while de points toward the nature or content of the obsession itself. Furthermore, verbs like nourrir (to nourish/harbor), devenir (to become), or tourner à (to turn into) are often paired with this noun to describe the development of a fixation.

Noun + Preposition: The most common structure is 'une obsession pour + [noun]' or 'l'obsession de + [noun/infinitive]'. Example: 'Son obsession pour la musique classique est admirable' or 'L'obsession de gagner peut être destructrice'.

Cette recherche de vérité est devenue chez lui une véritable obsession.

Verbal Constructions: Verbs like 'céder à une obsession' (to give in to an obsession) or 'combattre une obsession' (to fight an obsession) are vital for describing the struggle against repetitive thoughts. You can also say 'être la proie d'une obsession' (to be the prey of an obsession) for a more dramatic, literary effect.

Il nourrit une obsession secrète pour l'histoire médiévale depuis son enfance.

Ne laisse pas cette obsession gâcher ton bonheur présent.

L'obsession du contrôle peut mener à un grand stress au travail.

Additionally, when obsession is used in the plural (obsessions), it often refers to a collection of varied fixations or a recurring mental state. 'Il est hanté par ses obsessions' implies a more complex psychological state than a single focus. In professional contexts, one might discuss 'l'obsession du client' (customer obsession), which is a positive business term meaning an extreme focus on customer satisfaction. This demonstrates that while usually negative, the word can be pivoted toward positive dedication in specific professional jargon. Learners should practice alternating between 'une obsession pour' and 'l'obsession de' to sound more natural and sophisticated in their speech.

In contemporary French society, you will encounter the word obsession in a wide array of environments. From the high-brow discussions on cultural radio stations like France Culture to the sensationalist headlines of tabloid magazines, the word is a staple of French discourse. In the news, it is frequently used to describe political fixations—for example, 'l'obsession sécuritaire' (the obsession with security) or 'l'obsession de la croissance' (the obsession with growth). These phrases are used to critique policies that seem to focus on one area at the expense of all others. If you are watching a French talk show or 'débat', you will often hear participants accuse one another of having an 'obsession' with a particular topic as a way to dismiss their arguments as biased or irrational.

Cinema and Pop Culture: French cinema, known for its psychological depth, frequently uses 'obsession' as a central theme. Movies like 'L'Enfer' by Claude Chabrol or 'Passion' by Brian De Palma (in its French context) explore how a simple thought can morph into a destructive obsession. In song lyrics, artists often sing about an 'obsession amoureuse' to describe a love that has become all-consuming.

Dans ce film, le protagoniste est dévoré par une obsession de vengeance.

Social Media and Trends: On platforms like Instagram or Twitter (X), French influencers might use the word 'obsession' to describe their latest favorite product. 'Ma nouvelle obsession : ce café à Paris !' (My new obsession: this café in Paris!). This is a lighthearted, hyperbolic use that mirrors English social media trends.

Le journaliste a souligné l' obsession des médias pour ce fait divers.

In the workplace, obsession might appear in performance reviews or strategic meetings. 'L'obsession de la qualité' is a common phrase in manufacturing and luxury goods sectors (like LVMH or Hermès), where it is viewed as a virtue rather than a vice. Here, it signifies a relentless pursuit of excellence. Conversely, a manager might warn against an 'obsession pour les chiffres' (obsession with numbers) if they feel the team is losing sight of the human element. Thus, the word's meaning is highly dependent on the 'milieu' or environment in which it is spoken. As a B2 learner, paying attention to the tone of voice and the surrounding adjectives will help you determine if the word is being used as a compliment, a clinical description, or a social critique.

One of the most frequent errors for English speakers learning French is the gender of the word obsession. Because it ends in '-ion', it follows the general rule that such words are feminine. Many learners mistakenly use 'un obsession' or 'le obsession', but it must always be une obsession or l'obsession. Another common pitfall is the confusion between obsession and passion. While they are related, a 'passion' is generally seen as a positive, constructive interest, whereas 'obsession' almost always carries a connotation of being out of control or unhealthy. Using 'obsession' when you mean 'passion' can make you sound much more intense or troubled than you intend to be.

Gender Agreement: Incorrect: 'C'est son grand obsession.' Correct: 'C'est sa grande obsession.' Remember that the adjective must also be feminine to match the noun.

Attention : on dit une obsession dévorante, pas 'un obsession'.

False Friend Warning: 'Obsédé': While 'obsessed' in English is quite neutral, the French adjective 'obsédé' used alone (e.g., 'C'est un obsédé') often implies someone who is sexually obsessed or a 'pervert'. To avoid this, always specify the object: 'Il est obsédé par son travail'.

Il ne faut pas confondre une obsession avec un simple centre d'intérêt.

Furthermore, learners often struggle with the prepositional choice. In English, we say 'obsession with', but in French, 'obsession avec' is rarely used. Instead, use pour or de. For example, 'Son obsession pour l'ordre' (His obsession with order). Using 'avec' is a direct calque from English and sounds unnatural. Lastly, be careful with the plural form. While 'obsessions' is common, using it in a context where only one specific thought is being discussed can lead to confusion. Keep it singular if the focus is singular. By avoiding these common errors—gender mistakes, semantic confusion with 'obsédé', and incorrect prepositions—you will communicate your thoughts on this complex topic with much greater clarity and sophistication.

To truly master the concept of obsession in French, one must understand its synonyms and how they differ in nuance. French is a language of precision, and choosing the right word can change the entire tone of your sentence. While obsession is the most general and common term, words like hantise, idée fixe, manie, and passion offer different shades of meaning. Hantise is particularly powerful; it refers to a fear or a thought that 'haunts' someone, often linked to anxiety about the future. An idée fixe is a more intellectual or stubborn fixation on a specific plan or concept. A manie is often a small, repetitive habit or a quirk, while passion is the positive, enthusiastic counterpart to the more negative obsession.

Obsession vs. Hantise: Use 'obsession' for a general fixation (e.g., 'obsession pour le sport'). Use 'hantise' for something that causes dread (e.g., 'Ma hantise est de rater l'avion'). 'Hantise' is always negative.

Sa hantise de l'échec l'empêche de prendre des risques.

Obsession vs. Idée Fixe: An 'idée fixe' is often used when someone refuses to change their mind about a specific point. It is less about an emotional state and more about cognitive stubbornness. 'Il a l'idée fixe qu'il doit démissionner'.

C'est une véritable manie chez lui de tout ranger par couleur.

In more formal or literary contexts, you might encounter monomanie, which describes an obsession with one single thing to the point of madness. This was a popular term in 19th-century French psychiatry and literature. On the other hand, in very casual French, people might use the word blocage to describe a mental fixation that prevents them from doing something. By expanding your vocabulary to include these alternatives, you can express the specific nature of a fixation—whether it is born of fear, habit, stubbornness, or love. This level of precision is what separates a B2 learner from a truly fluent speaker. Practice replacing obsession with hantise or manie in your writing to see how the meaning shifts and becomes more vivid.

How Formal Is It?

Formal

"La pathologie se caractérise par une obsession persistante du sujet pour l'ordre."

Neutral

"Il a une véritable obsession pour les vieux livres."

Informal

"C'est quoi cette obsession avec ton téléphone ?"

Child friendly

"Tu penses tout le temps à tes dinosaures, c'est ta petite obsession !"

Slang

"Il est trop à fond, c'est une pure obsession son truc."

Fun Fact

In the 16th century, 'obsession' was often used in a religious context to describe the state of being 'besieged' by the devil from the outside, as opposed to 'possession' which was from the inside.

Pronunciation Guide

UK /ɔb.sɛ.sjɔ̃/

US /ɔb.sɛ.sjɔ̃/

The stress in French is always on the last syllable: ob-ses-SION.

Rhymes With

Passion Mission Action Vision Direction Solution Attention Création

Common Errors

Pronouncing the '-ion' like the English 'shun'.
Making the 'o' too long like in 'go'.
Forgetting the nasal sound at the end.
Pronouncing the 'b' too heavily; it should be light.
Adding an 's' sound at the very end (it is silent in the singular).

Difficulty Rating

Reading 2/5

Easy to recognize because it is a cognate, but requires context to understand the nuance.

Writing 3/5

Requires correct gender agreement and prepositional choice (pour vs de).

Speaking 4/5

The nasal pronunciation at the end is tricky for English speakers.

Listening 3/5

Can be confused with 'passion' or 'mission' if not listening carefully.

What to Learn Next

Prerequisites

Passion Pensée Idée Esprit Fixe

Learn Next

Hantise Compulsion Obsessionnel Intrusif Ruminer

Advanced

Obsidional Monomanie Aliénation Idéfix Psychose

Grammar to Know

Nouns ending in -ion are almost always feminine.

La nation, la passion, l'obsession.

The preposition 'pour' is used for the object of a feeling.

Un amour pour la France, une obsession pour le vin.

Adjectives must agree in gender with feminine nouns.

Une obsession dangereuse (not dangereux).

The contraction of 'le' or 'la' to 'l'' before a vowel.

L'obsession (not la obsession).

Using 'de' before an infinitive after a noun.

L'obsession de gagner.

Examples by Level

J'ai une obsession pour le chocolat noir.

I have an obsession for dark chocolate.

Note the use of 'une' because obsession is feminine.

C'est une obsession pour lui.

It is an obsession for him.

Simple subject + verb 'être' + noun.

Ton obsession pour ce jeu est drôle.

Your obsession for this game is funny.

Possessive adjective 'ton' agrees with 'obsession'.

Elle a une petite obsession.

She has a little obsession.

Adjective 'petite' comes before the noun.

L'obsession est un grand mot.

Obsession is a big word.

Using 'L'' because obsession starts with a vowel.

Ma seule obsession, c'est de dormir.

My only obsession is to sleep.

'Ma seule' agrees with the feminine noun.

Il n'a pas d'obsession.

He doesn't have an obsession.

Negative 'ne...pas d'' before a vowel.

Quelle est ton obsession ?

What is your obsession?

Interrogative 'Quelle' is feminine.

Il a une obsession pour les voitures rouges.

He has an obsession with red cars.

Plural 'les voitures rouges' after the preposition 'pour'.

Son obsession pour la propreté est fatigante.

His obsession with cleanliness is tiring.

Adjective 'fatigante' agrees with 'obsession'.

Elle est obsédée par la mode.

She is obsessed with fashion.

Using the adjective 'obsédée' with the preposition 'par'.

C'est devenu une véritable obsession.

It has become a real obsession.

Passé composé with 'devenir' (être + devenu).

Je ne comprends pas cette obsession.

I don't understand this obsession.

Demonstrative adjective 'cette' for feminine nouns.

L'obsession de gagner est forte chez lui.

The obsession with winning is strong in him.

Preposition 'de' before an infinitive verb.

Ils partagent la même obsession.

They share the same obsession.

'Même' is used to show similarity.

Une obsession peut être dangereuse.

An obsession can be dangerous.

Modal verb 'peut' followed by 'être' and an adjective.

Sa passion pour le sport a fini par devenir une obsession.

His passion for sport ended up becoming an obsession.

Phrase 'a fini par' + infinitive.

Il nourrit une obsession pour l'histoire ancienne.

He harbors an obsession for ancient history.

Verb 'nourrir' is often used with 'obsession'.

L'obsession de la minceur touche beaucoup de jeunes.

The obsession with thinness affects many young people.

Subject-verb agreement: 'l'obsession... touche'.

Il faut lutter contre cette obsession du contrôle.

One must fight against this obsession with control.

'Lutter contre' is a common verb phrase.

Elle essaie de cacher son obsession pour son ex-copain.

She tries to hide her obsession with her ex-boyfriend.

Infinitive 'cacher' after 'essaie de'.

Cette obsession l'empêche de dormir la nuit.

This obsession prevents him from sleeping at night.

'Empêcher [quelqu'un] de [faire quelque chose]'.

L'obsession du détail est une qualité dans ce métier.

Obsession with detail is a quality in this profession.

Noun as a subject.

Il est hanté par une obsession depuis des années.

He has been haunted by an obsession for years.

Passive voice 'est hanté par'.

L'obsession sécuritaire est au cœur du débat politique actuel.

The security obsession is at the heart of the current political debate.

Adjective 'sécuritaire' modifying 'obsession'.

Son œuvre est marquée par une obsession de la mort.

His work is marked by an obsession with death.

Past participle 'marquée' agreeing with 'œuvre' and 'obsession'.

L'obsession du client doit être notre priorité absolue.

Customer obsession must be our absolute priority.

Professional jargon usage.

Il a sombré dans une obsession maladive pour les jeux d'argent.

He sank into a pathological obsession with gambling.

'Sombrer dans' (to sink into) adds drama.

Cette obsession pour le passé l'empêche d'avancer.

This obsession with the past prevents him from moving forward.

Contrast between 'passé' and 'avancer'.

Elle a une obsession pour la justice sociale qui m'impressionne.

She has an obsession with social justice that impresses me.

Relative clause 'qui m'impressionne'.

L'obsession du pouvoir finit souvent par corrompre.

The obsession with power often ends up corrupting.

General truth expressed with the present tense.

Il faut distinguer l'obsession saine de la pathologie.

One must distinguish healthy obsession from pathology.

'Distinguer [A] de [B]'.

Le roman explore l'obsession dévorante d'un homme pour son image.

The novel explores a man's devouring obsession with his image.

Adjective 'dévorante' emphasizes the intensity.

L'obsession identitaire fragilise la cohésion nationale.

The identity obsession weakens national cohesion.

Abstract sociological usage.

Il est la proie d'obsessions récurrentes qui parasitent son esprit.

He is the prey of recurring obsessions that interfere with his mind.

Metaphorical verb 'parasiter'.

L'obsession de la performance peut conduire au burn-out.

The obsession with performance can lead to burnout.

Cause and effect structure.

Cette obsession pour la pureté est un trait de son caractère.

This obsession with purity is a trait of his character.

Defining a personality trait.

Il traite son sujet avec une obsession quasi scientifique.

He treats his subject with an almost scientific obsession.

'Quasi' used as an adverb to modify the adjective.

L'obsession du secret règne dans cette administration.

The obsession with secrecy reigns in this administration.

Verb 'régner' used metaphorically.

Ses obsessions se manifestent par des rituels quotidiens.

His obsessions manifest through daily rituals.

Reflexive verb 'se manifester'.

L'obsession de l'absolu traverse toute la poésie mallarméenne.

The obsession with the absolute runs through all of Mallarmé's poetry.

Literary analysis usage.

Il s'agit d'une obsession obsidionale, héritée de la guerre.

It is an obsession related to being besieged, inherited from the war.

Rare adjective 'obsidionale'.

L'obsession de la traçabilité est devenue une norme industrielle.

The obsession with traceability has become an industrial norm.

Complex noun phrase as subject.

Sa pensée est une suite d'obsessions qui s'entrechoquent.

His thought is a series of obsessions that clash with each other.

Reciprocal reflexive verb 's'entrechoquer'.

L'obsession du vide est un thème récurrent chez cet auteur.

The obsession with the void is a recurring theme for this author.

Philosophical theme description.

Elle a su transformer son obsession en une force créatrice.

She knew how to transform her obsession into a creative force.

'Savoir faire quelque chose' (to know how to).

L'obsession de la vérité historique anime ce chercheur.

The obsession with historical truth drives this researcher.

Verb 'animer' meaning to drive or motivate.

L'obsession du gain immédiat nuit à la vision de long terme.

The obsession with immediate gain harms the long-term vision.

Economic/Strategic critique.

Common Collocations

Obsession dévorante

Nourrir une obsession

Tourner à l'obsession

Obsession du détail

Obsession maladive

Céder à une obsession

Obsession sécuritaire

Obsession du client

Combattre une obsession

Véritable obsession

Common Phrases

C'est une obsession !

— Used to tell someone they are focusing too much on something. It is often said in a joking or lighthearted way.

Tu parles encore de ton chat ? C'est une obsession !

Avoir une obsession pour...

— The standard way to say someone is obsessed with a thing or person. It is very versatile.

Il a une obsession pour la cuisine italienne.

L'obsession de la réussite

— A common social critique describing the pressure to succeed. It implies a lack of balance.

L'obsession de la réussite peut rendre les gens malheureux.

Une obsession constante

— Describes a thought that never leaves the mind. It emphasizes the duration.

C'est une obsession constante qui le fatigue.

Friser l'obsession

— To border on obsession. Used when someone's interest is becoming too much.

Son goût pour le luxe frise l'obsession.

Sortir d'une obsession

— To finally stop being obsessed with something. It implies a recovery.

Il a enfin réussi à sortir de son obsession pour son passé.

Une obsession pour les chiffres

— Commonly used in business to describe focusing only on data. It can be a critique of management.

Le directeur a une obsession pour les chiffres.

L'obsession de la perfection

— A common trait among artists or students. It can be both a quality and a flaw.

Son obsession de la perfection le ralentit.

Une obsession passagère

— A short-term fixation. Use this for trends or temporary interests.

C'était juste une obsession passagère pour le yoga.

Nourrir de sombres obsessions

— A literary way to say someone is thinking about dark or bad things. Very dramatic.

Le méchant du film nourrit de sombres obsessions.

Often Confused With

obsession vs Passion

Passion is positive and joyful; obsession is compulsive and often distressing.

obsession vs Obstination

Obstination is being stubborn about an action; obsession is about a recurring thought.

obsession vs Possession

In a religious sense, obsession is from the outside, possession is from the inside.

Idioms & Expressions

"Avoir une idée derrière la tête"

— To have a hidden motive or a secret obsession with a plan. It is related to fixation.

Je sens qu'il a une idée derrière la tête avec ce projet.

Neutral

"Être piqué au vif"

— To be stung to the quick, often leading to an obsession with proving someone wrong. It describes the emotional start of an obsession.

Il a été piqué au vif par la critique et maintenant il veut tout refaire.

Neutral

"Avoir un cheveu sur la langue"

— Literally having a lisp, but metaphorically can refer to a small, annoying obsession with detail. (Note: Primarily means lisp).

Il a un cheveu sur la langue quand il parle de son travail.

Informal

"Ne penser qu'à ça"

— To think only about that. This is the most common way to describe an obsession without using the word.

Depuis qu'il a vu cette maison, il ne pense qu'à ça.

Neutral

"En faire une maladie"

— To make oneself sick over something. To be so obsessed with a failure or a problem that it affects health.

Il a raté son examen, mais il ne faut pas en faire une maladie.

Informal

"Avoir la tête ailleurs"

— To have one's head elsewhere. Often the result of being obsessed with a secret thought.

Désolé, j'ai la tête ailleurs en ce moment.

Neutral

"Se mettre martel en tête"

— To worry excessively or be obsessed with a problem. A bit old-fashioned but very rich.

Ne te mets pas martel en tête pour si peu.

Literary

"Tourner en boucle"

— To go around in a loop. Used for thoughts that repeat in the mind like an obsession.

Cette chanson me tourne en boucle dans la tête.

Informal

"Être à fond dans quelque chose"

— To be completely into something. A positive, informal way to describe an obsession.

Elle est à fond dans son nouveau projet.

Slang/Informal

"Avoir un grain"

— To be a bit crazy. Often used when someone's obsession makes them act strangely.

Il a un grain avec ses théories du complot.

Informal

Easily Confused

obsession vs Obsédé

Looks like 'obsessed'.

In French, 'obsédé' used alone often implies a sexual pervert. You must specify the object to avoid this.

Il est obsédé par son travail (Fine). C'est un obsédé (Risky).

obsession vs Hantise

Both involve recurring thoughts.

Hantise is specifically about fear or dread. Obsession can be about anything, even something you like.

Ma hantise est de perdre mes clés.

obsession vs Manie

Both involve repetitive things.

A manie is a small habit or quirk. An obsession is a deep mental preoccupation.

Il a la manie de se toucher les cheveux.

obsession vs Idée fixe

Both are persistent thoughts.

Idée fixe is more about a stubborn plan or opinion. Obsession is more emotional and intrusive.

Il a l'idée fixe qu'il va gagner au loto.

obsession vs Fidélité

In business, 'customer obsession' is common.

In French, 'fidélité' is the standard word for loyalty, but 'obsession du client' is used in modern corporate speak.

La fidélité de nos clients est importante.

Sentence Patterns

J'ai une obsession pour [Nom].

J'ai une obsession pour les chats.

C'est une obsession chez [Personne].

C'est une obsession chez mon frère.

[Sujet] est devenu une obsession.

Le travail est devenu une obsession.

L'obsession de [Verbe à l'infinitif] est [Adjectif].

L'obsession de réussir est épuisante.

Être la proie d'une obsession [Adjectif].

Il est la proie d'une obsession dévorante.

L'obsession [Adjectif] qui anime [Sujet].

L'obsession obsidionale qui anime le vieux soldat.

Nourrir une obsession pour [Nom].

Il nourrit une obsession pour l'espace.

Friser l'obsession.

Son perfectionnisme frise l'obsession.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Very common in both spoken and written French.

Common Mistakes

Un obsession → Une obsession
Obsession is a feminine noun. This is the most common mistake made by English speakers.
Obsession avec le chocolat → Obsession pour le chocolat
In French, we use the preposition 'pour' instead of 'avec' to describe the object of an obsession.
C'est un obsédé → Il est obsédé par son travail
Using 'obsédé' as a noun without context often implies a sexual pervert. Always specify the interest.
Mon obsession dévorant → Mon obsession dévorante
The adjective must agree with the feminine noun 'obsession'. Adding the 'e' is crucial.
L'obsession de le succès → L'obsession du succès
Remember to contract 'de + le' into 'du'. This is a basic rule that is often forgotten in complex sentences.

Tips

Gender Check

Always pair 'obsession' with feminine adjectives. Say 'une obsession dévorante', never 'un obsession dévorant'. This is a quick way to sound more fluent.

Preposition Power

Use 'pour' when the obsession is an object or a person. Use 'de' when it is an action or a concept. This distinction is subtle but important for B2 levels.

Informal Use

In casual conversation, use 'C'est une obsession !' to tease a friend who won't stop talking about their new favorite show. It's a very common native expression.

Avoid Repetition

If you are writing an essay, swap 'obsession' with 'idée fixe' or 'préoccupation majeure' to keep your prose varied and interesting for the reader.

Artistic Flair

When discussing French movies or books, use 'l'obsession' to describe the characters' motivations. It's a keyword in French literary analysis.

Business Context

Don't be afraid to use 'obsession du client' in a business meeting. It shows you are familiar with modern management terms used in French companies.

The Nasal End

Focus on the final syllable '-sion'. It should sound exactly like the end of 'maison' or 'garçon'. Practice in front of a mirror to ensure your mouth stays open.

Clinical Awareness

Be aware that 'obsessionnel' is the adjective for OCD. If you use it, you are often implying a medical or psychological condition.

Context Clues

When you see 'obsession' in a news headline, look for the following adjective. It will tell you exactly what the social critique is about (e.g., 'sécuritaire').

Level Up

Try to use the verb 'obséder' in the passive voice: 'être obsédé par'. This is a more advanced structure than just using the noun.

Memorize It

Mnemonic

Think of an 'Ob-Session'. Imagine you are in a 'Session' where you are 'Ob-ligated' to think of only one thing. The session never ends.

Visual Association

Visualize a person inside a small room (a siege) where the walls are covered in pictures of only one object. They are trapped by that thought.

Word Web

Esprit Pensée Fixe Répétition Contrôle Peur Intensité Féminin

Challenge

Try to write three sentences about a character in a book who has an obsession. Use 'obsession pour', 'obsession de', and the adjective 'obsédant'.

Word Origin

The word comes from the Latin 'obsessio', which is the noun form of 'obsidere'. In Latin, this literally meant 'to sit in front of' or 'to besiege'.

Original meaning: A siege or a blockade. The metaphorical shift from a physical siege of a city to a mental 'siege' of the mind happened in the late Middle Ages.

Romance (Latin-derived).

Cultural Context

Be careful when using 'obsédé' as it can imply sexual deviancy if used without a specific object.

In English, 'obsession' is often used more lightly for hobbies. In French, be careful not to sound too medical unless you mean it.

Obsession by Calvin Klein (the perfume is famous in France too). The film 'L'Histoire d'Adèle H.' by François Truffaut, a study of romantic obsession. The song 'Obsesión' by Aventura (widely played in France and familiar to French speakers).

Practice in Real Life

Real-World Contexts

Psychology

Trouble obsessionnel
Pensée intrusive
Rituel de vérification
Anxiété généralisée

Art & Literature

Thème de l'obsession
Personnage obsédé
Quête de l'absolu
Esthétique de la répétition

Business

Obsession de la qualité
Obsession du client
Focus stratégique
Culture de l'excellence

Daily Life

Petite obsession
Passion dévorante
Ne penser qu'à ça
Être fan de

Politics

Obsession sécuritaire
Obsession identitaire
Débat obsessionnel
Fixation médiatique

Conversation Starters

"As-tu une obsession pour un sujet particulier en ce moment ?"

"Penses-tu que l'obsession soit nécessaire pour réussir dans l'art ?"

"Quelle est la différence entre une passion et une obsession selon toi ?"

"As-tu déjà eu une obsession passagère pour un jeu vidéo ?"

"Est-ce que l'obsession du détail est une qualité ou un défaut au travail ?"

Journal Prompts

Décrivez une obsession que vous aviez quand vous étiez enfant. Pourquoi étiez-vous si fasciné ?

Réfléchissez à la phrase 'L'obsession est le moteur du génie'. Êtes-vous d'accord ?

Écrivez sur une habitude quotidienne qui frise l'obsession pour vous.

Comment la société moderne nourrit-elle l'obsession de l'image de soi ?

Imaginez un personnage qui a une obsession secrète. Quel est son secret ?

Frequently Asked Questions

10 questions

It is always feminine: 'une obsession'. This is a common rule for words ending in -ion in French.

It is better to avoid it. Use 'obsession pour' for things you like/focus on, or 'obsession de' for abstract concepts. 'Avec' sounds like an English translation.

Passion is generally healthy and positive, like a hobby you love. Obsession is usually unhealthy and feels like you can't stop thinking about it even if you want to.

It ends with a nasal 'on' sound. Do not pronounce the 'n' like in the English word 'sun'. Your nose should vibrate slightly.

Not necessarily, but if you say 'C'est un obsédé' without any other words, people might think you mean a sexual pervert. Always add 'par something'.

The word 'hantise' is perfect for an obsession that is based on fear or worry.

Yes, journalists often talk about 'l'obsession sécuritaire' or 'l'obsession identitaire' to criticize politicians who focus only on one topic.

Yes, you can say 'une obsession amoureuse', but it sounds very intense. For a light crush, use 'un béguin'.

It is 'TOC', which stands for 'Trouble Obsessionnel Compulsif'.

You say 'Ça devient une obsession' or 'Ça tourne à l'obsession'.