This page in your language

فارسی

العربية

Deutsch

Español

Français

日本語

한국어

Português

中文

हिन्दी

Home
Learn
French
Vocabulary
déverser

B1 verb 6 min read

déverser

Practice it Examples Notes & Tips déverser in 30 Seconds

Explanation déverser in your Level:

At the A1 level, you might not use 'déverser' often because it is a bit specific. However, you can think of it as a 'big' version of 'verser' (to pour). Imagine pouring water from a big bucket into a pool—that is the beginning of the idea. You might see it in simple stories about nature, like a river flowing into the sea. Focus on the fact that it means moving a lot of something from one place to another. Don't worry about the complicated grammar yet; just remember it's a regular '-er' verb like 'manger' or 'parler'. If you want to say 'to pour' for your coffee, stick with 'verser'. Use 'déverser' when you want to sound more descriptive about a large amount of water or objects falling out of a container.

At the A2 level, you can start using 'déverser' to describe more complex scenes. You might use it when talking about the environment or chores. For example, 'Le camion déverse du sable' (The truck is dumping sand). It is a useful word for describing how things move in bulk. You should also learn the reflexive form 'se déverser' which is used for rivers or rain. 'La pluie se déverse sur la ville' (The rain is pouring down on the city). Notice that we often use the preposition 'dans' (into) or 'sur' (onto) after this verb. It helps you build more precise sentences than just using 'aller' or 'tomber'. Try to use it when you see a lot of liquid moving at once.

At the B1 level, you should be comfortable using 'déverser' in both its literal and figurative senses. This is the level where you discuss social issues like pollution. You can say 'Les entreprises ne doivent pas déverser de déchets dans la nature' (Companies must not dump waste in nature). You can also start using it to describe people's actions and emotions. If someone is very angry and talks a lot, they are 'déversant leur colère'. It implies a lack of control. Pay attention to the difference between 'verser' (controlled), 'renverser' (accidental spill), and 'déverser' (massive discharge). In your writing, use it to add variety to your vocabulary when describing movements of crowds or large quantities of information.

At the B2 level, 'déverser' becomes a tool for nuanced expression. You will encounter it in news reports, ecological debates, and literature. You should understand its use in describing 'le déversement' (the noun form) as a technical term. You can use it to critique modern life: 'Les médias déversent un flux constant d'informations' (Media outlets pour out a constant stream of information). At this level, you should also be careful with the passive and reflexive forms in complex tenses. For example, 'Des tonnes de plastique se sont déversées dans l'océan'. The agreement of the past participle with the subject in reflexive constructions is vital here. It’s a great word for expressing intensity and scale in your arguments.

At the C1 level, you should appreciate the stylistic weight of 'déverser'. It often carries a negative or overwhelming connotation. In a literary analysis or a high-level essay, you might use it to describe an author 'déversant son lyrisme' (pouring out their lyricism) or a politician 'déversant des promesses' (showering/dumping promises). It suggests a certain violence or excess. You should also be familiar with related technical terms like 'déversoir' (a spillway or weir). Use 'déverser' to create vivid imagery in your speech and writing, particularly when you want to emphasize the sheer volume or the unstoppable nature of a process, whether it is physical, emotional, or intellectual.

At the C2 level, 'déverser' is used with total precision and stylistic flair. You can manipulate its various shades of meaning—from the mechanical discharge of a hydroelectric dam to the subtle psychological 'déversement' of a character's subconscious in a stream-of-consciousness novel. You understand the historical and etymological roots that connect it to the concept of 'tilting' or 'slanting' (from 'verser'). You can use it in highly formal reports on hydrology or urban planning, as well as in biting satirical pieces about 'le déversement médiatique'. Your mastery includes knowing exactly when 'déverser' is superior to synonyms like 'répandre', 'diffuser', or 'épancher' based on the intended rhythmic and emotional impact of the sentence.

Practice it Examples Notes & Tips

déverser in 30 Seconds

Déverser means to pour out, dump, or discharge large volumes of liquid or material, often in an environmental or industrial context.
It is a regular -er verb used transitively (to dump something) or reflexively (to flow into something else).
Figuratively, it describes the uncontrolled release of emotions, such as anger or sadness, or the spread of information.
Commonly associated with pollution, hydrology, and crowd movements, it implies a significant scale compared to the simple verb 'verser'.

The French verb déverser is a powerful term that primarily describes the act of pouring out, discharging, or dumping a large volume of liquid or material, often in a continuous or uncontrolled manner. While the base verb verser simply means to pour (like pouring a glass of water), the prefix dé- adds a sense of removal, massive volume, or outward movement. It is most frequently encountered in environmental contexts, industrial descriptions, and figurative expressions involving emotions or information.

Environmental Context: Used to describe factories discharging waste into rivers or the sea. It implies a significant and often harmful quantity of substance being moved from one place to another.

L'usine continue de déverser ses produits chimiques dans le fleuve malgré les amendes.

Hydraulic and Natural Flow: When a smaller body of water flows into a larger one, or when a dam releases water, we use the reflexive form se déverser.

Cette petite rivière vient se déverser directement dans l'océan Atlantique.

Figurative Usage: In literature or heated conversation, one might 'déverser sa colère' (pour out one's anger) or 'déverser des mensonges' (pour out lies). It suggests an unstoppable flow of words or feelings.

Il a fini par déverser toute sa haine sur ses pauvres collègues de bureau.

Les médias ont commencé à déverser un flot incessant d'informations contradictoires.

La foule s'est déversée dans les rues dès la fin du concert.

Mastering déverser requires understanding its transitivity and its reflexive forms. It follows the regular '-er' conjugation pattern, making it relatively straightforward to conjugate, but the choice of prepositions like dans, sur, or vers is key to sounding natural.

Direct Object Construction: Subject + déverser + [Something] + preposition + [Location]. This is the standard way to describe dumping or discharging materials.

Le camion a déversé tout son chargement de sable sur le chantier.

Reflexive Form (Se Déverser): Used when the subject itself flows into another place. Essential for geography and crowd dynamics.

Les eaux usées se déversent dans la mer après avoir été traitées.

Metaphorical Pouring: When expressing emotions, 'déverser' implies a lack of restraint. It is often paired with 'trop de' or 'tout'.

Elle a besoin de déverser son trop-plein d'émotions auprès d'une amie.

Les algorithmes ne cessent de déverser des publicités ciblées sur nos écrans.

You will encounter déverser in several specific domains of French life. Understanding these contexts helps you recognize the 'vibe' of the word—which ranges from technical and ecological to dramatic and emotional.

The Evening News (Le JT): Journalists use it constantly when reporting on environmental disasters, oil spills (marées noires), or industrial accidents.

Le pétrolier a déversé des milliers de tonnes de brut dans l'océan.

Construction and Logistics: In the building trade, it describes the action of a dump truck (camion-benne) emptying its contents.

Attention, le camion va déverser les gravats ici.

Social Media and Commentary: You will see this word in critiques of 'hate speech' or 'spam'. People complain about others who 'déversent leur fiel' (pour out their venom/bitterness) online.

Les réseaux sociaux permettent à certains de déverser leur haine anonymement.

Les nuages ont fini par se déverser sur la ville en un orage violent.

Because déverser is part of a large family of 'verser' verbs, it is easy to mix it up with its cousins. Here are the pitfalls to avoid.

Confusion with 'Verser': Mistake: Using 'déverser' for a glass of wine. Correct: Use 'verser' for small, controlled amounts. 'Déverser' implies a massive, often industrial or natural quantity.

Incorrect: Je vais déverser du lait dans mon café. (Sounds like you're dumping a tanker of milk!)

Confusion with 'Renverser': 'Renverser' means to knock over or spill accidentally. 'Déverser' is usually an intentional or structural action (like a pipe discharging).

Incorrect: J'ai déversé mon verre par terre. Correct: J'ai renversé mon verre.

Preposition Errors: Learners often forget 'dans'. You déverser something *into* something else. 'Déverser dans la rivière', not 'déverser à la rivière'.

On ne doit pas déverser d'huile dans l'évier.

Depending on the intensity and the substance, you might want to use a different word. Here is a comparison of synonyms for déverser.

Épancher vs. Déverser: 'Épancher' is more literary and often used for emotions (s'épancher = to open one's heart). 'Déverser' is more aggressive or physical.

Il s'est épanché auprès de moi (He unburdened himself) vs Il a déversé sa colère (He vented/dumped his anger).

Rejeter vs. Déverser: 'Rejeter' is the official technical term for 'to release' or 'to emit' (e.g., CO2 or waste). It is more clinical than 'déverser'.

L'usine rejette des fumées toxiques (emits) vs L'usine déverse des liquides (discharges).

Vider vs. Déverser: 'Vider' means 'to empty'. Use 'vider' when focusing on the container; use 'déverser' when focusing on the flow and the destination.

J'ai vidé le seau (I emptied the bucket) vs Le seau s'est déversé sur le tapis (The bucket contents poured out onto the rug).

How Formal Is It?

Fun Fact

The root 'verser' is the same one found in 'anniversary' (the turning of the year) and 'universe' (turned into one).

Pronunciation Guide

UK /de.vɛʁ.se/

US /de.vɛɹ.se/

French is syllable-timed, so stress is usually equal but slightly emphasizes the final syllable 'sé'.

Rhymes With

verser traverser bercer percer exercer renverser bouleverser converser

Common Errors

Pronouncing the final 'r' (it is silent in the infinitive).
Confusing the 'é' (closed) and 'è' (open) sounds.
Failing to pronounce the 'v' clearly.

Difficulty Rating

Reading 3/5

Common in news and literature, easy to recognize if you know 'verser'.

Writing 4/5

Requires knowledge of reflexive agreement and prepositions like 'dans'.

Speaking 3/5

Pronunciation is standard for -er verbs, but usage context must be precise.

Listening 3/5

Clear pronunciation, though can be confused with 'verser' in fast speech.

What to Learn Next

Prerequisites

verser eau rivière poubelle colère

Learn Next

déversement effluent polluer épancher flux

Advanced

hydrologie exutoire alluvion confluant

Grammar to Know

Reflexive Verbs in Passé Composé

La rivière s'est déversée (agreement with feminine 'rivière').

Preposition 'Dans' for Destination

Déverser dans le lac.

The Prefix 'Dé-' for Removal/Action

Décharger, déplier, déverser.

Infinitive after Verbs of Motion

Le camion vient déverser le sable.

Transitive Direct usage

L'usine déverse [les déchets].

Examples by Level

L'eau se déverse dans le lac.

The water flows into the lake.

Present tense, reflexive form.

Le sac se déverse par terre.

The bag is emptying onto the ground.

Reflexive use for a container emptying.

Il déverse du sable.

He is pouring/dumping sand.

Subject-Verb-Object.

La rivière se déverse ici.

The river flows out here.

Reflexive 'se' indicates the river's path.

Elle déverse les jouets.

She is dumping out the toys.

Direct action on an object.

Le seau déverse l'eau.

The bucket pours the water.

Simple transitive use.

On déverse le riz dans le bol.

We pour the rice into the bowl.

Use of 'on' for general action.

Le camion déverse la terre.

The truck dumps the dirt.

Typical industrial use.

La pluie se déverse sur le toit.

The rain is pouring onto the roof.

Metaphorical intensity.

Ils déversent les poubelles dans le camion.

They dump the trash into the truck.

Plural subject.

La cascade se déverse dans le bassin.

The waterfall flows into the basin.

Reflexive form for nature.

Le cuisinier déverse la sauce.

The chef pours the sauce.

Specific professional context.

Le nuage va se déverser bientôt.

The cloud is going to burst (pour out) soon.

Future proche with reflexive.

Ne déverse pas tout le sucre !

Don't pour out all the sugar!

Imperative negative.

Le navire déverse son pétrole.

The ship is discharging its oil.

Environmental context.

Elle a déversé les perles sur la table.

She poured the beads onto the table.

Passé composé.

L'usine a déversé des produits toxiques.

The factory dumped toxic products.

Standard B1 environmental vocabulary.

Il a déversé sa tristesse dans son journal.

He poured out his sadness in his diary.

Figurative use for emotions.

La foule se déversait dans le métro.

The crowd was pouring into the subway.

Imperfect tense for description.

On ne peut pas déverser n'importe quoi ici.

You can't just dump anything here.

Modal verb 'pouvoir'.

Le barrage a dû déverser de l'eau.

The dam had to release water.

Technical necessity.

Elle déverse son sac pour trouver ses clés.

She dumps out her bag to find her keys.

Action to achieve a goal.

Le volcan a déversé de la lave.

The volcano poured out lava.

Natural disaster context.

L'orage s'est déversé sur nous soudainement.

The storm suddenly broke over us.

Reflexive passé composé agreement.

Les médias déversent des flots de critiques.

The media are pouring out streams of criticism.

Social critique usage.

Le pétrolier s'est brisé, déversant sa cargaison.

The tanker broke, spilling its cargo.

Present participle usage.

Elle a déversé tout son fiel sur lui.

She poured out all her bitterness on him.

Idiomatic expression 'déverser son fiel'.

L'eau usée se déverse sans traitement.

Wastewater is discharged without treatment.

Passive sense of the reflexive.

Le poète déverse son âme dans ses vers.

The poet pours his soul into his verses.

Literary figurative use.

Les égouts se sont déversés à cause des crues.

The sewers overflowed because of the floods.

Causal relationship.

Il ne faut pas déverser sa frustration sur autrui.

One must not take out one's frustration on others.

Moral advice.

Le silo a déversé des tonnes de grains.

The silo discharged tons of grain.

Agricultural context.

L'auteur déverse un lyrisme parfois excessif.

The author pours out a sometimes excessive lyricism.

Stylistic critique.

Le fleuve vient se déverser dans l'estuaire.

The river flows into the estuary.

Geographical precision.

Les manifestants se sont déversés sur la place.

The protesters spilled out onto the square.

Crowd dynamics.

Le scandale a déversé un torrent d'indignation.

The scandal unleashed a torrent of indignation.

Abstract mass noun.

L'appareil déverse le produit par intermittence.

The device discharges the product intermittently.

Technical adverb use.

Elle a déversé ses griefs lors de la réunion.

She aired her grievances during the meeting.

Professional conflict.

Le ciel a fini par se déverser en trombes.

The sky finally opened up in torrents.

Idiomatic weather description.

Il s'est déversé un flot de paroles incohérentes.

A stream of incoherent words poured out.

Impersonal reflexive construction.

Le déversoir permet de déverser le trop-plein.

The spillway allows the overflow to be discharged.

Technical jargon (déversoir).

L'œuvre déverse une mélancolie profonde.

The work exudes/pours out a deep melancholy.

High-level aesthetic description.

La haine s'est déversée sur les réseaux.

Hate was unleashed across the networks.

Social phenomenon description.

Le camion-benne a déversé les gravats avec fracas.

The dump truck emptied the rubble with a crash.

Onomatopoeic context.

Le Rhône se déverse via plusieurs bras.

The Rhône discharges through several branches.

Hydrographic detail.

Il a déversé son sac, révélant ses secrets.

He emptied his bag (spilled the beans), revealing his secrets.

Idiom: vider/déverser son sac.

Les nuées se déversèrent en une pluie d'orage.

The storm clouds poured down in a thundery rain.

Passé simple (literary).

Le conduit déversa un liquide visqueux.

The pipe discharged a viscous liquid.

Precise adjective use.

Common Collocations

déverser des déchets

se déverser dans

déverser sa colère

déverser son fiel

déverser du pétrole

déverser des gravats

déverser un flot de

déverser des mensonges

déverser des eaux usées

déverser son sac

Common Phrases

déverser le trop-plein

— To release the excess or overflow.

Le barrage doit déverser le trop-plein d'eau.

se déverser en trombes

— To pour down in torrents (rain).

La pluie se déversait en trombes.

déverser sa haine

— To vent one's hatred.

Il déverse sa haine sur internet.

déverser des tonnes de

— To dump tons of something.

L'usine déverse des tonnes de plastique.

se déverser par terre

— To spill out onto the ground.

Le contenu s'est déversé par terre.

déverser son amertume

— To pour out one's bitterness.

Elle a déversé son amertume dans sa lettre.

déverser des produits chimiques

— To discharge chemicals.

L'industrie déverse des produits chimiques.

se déverser à flots

— To flow out in streams.

Le vin se déversait à flots.

déverser son énergie

— To pour out one's energy.

Il déverse toute son énergie dans son travail.

déverser des insultes

— To hurl/pour out insults.

Ils ont déversé des insultes sur l'arbitre.

Often Confused With

déverser vs verser

Verser is for small, controlled amounts (like a glass); déverser is for large, massive amounts.

déverser vs renverser

Renverser is an accidental spill or knocking something over; déverser is usually a structural or continuous flow.

déverser vs disperser

Disperser means to scatter in many directions; déverser is a directed flow into a destination.

Idioms & Expressions

"Déverser son sac"

— To reveal everything one has on one's mind, often secrets or complaints.

Après des mois de silence, il a enfin déversé son sac.

informal

"Déverser son fiel"

— To express one's bitterness or malice toward someone.

Elle passe son temps à déverser son fiel sur ses voisins.

literary

"Déverser sa bile"

— To vent one's anger or bad mood.

Il est venu déverser sa bile au bureau ce matin.

informal

"Se déverser comme un fleuve"

— To flow or happen in an unstoppable, continuous way.

Les paroles se déversaient comme un fleuve.

poetic

"Déverser des flots de paroles"

— To talk excessively and without stopping.

Le politicien déversait des flots de paroles.

neutral

"Déverser la coupe"

— To make a situation overflow (similar to 'the straw that broke the camel's back').

Cette insulte a fini de déverser la coupe.

old-fashioned

"Déverser son venin"

— To spread malicious lies or hurtful comments.

Arrête de déverser ton venin sur tes amis.

neutral

"Déverser un océan de..."

— To provide an overwhelming amount of something (love, lies, etc.).

Il a déversé un océan de tendresse sur ses enfants.

poetic

"Se déverser dans la rue"

— For a crowd to exit a building and fill the street.

À la fin du match, les supporters se sont déversés dans la rue.

neutral

"Déverser son trop-plein d'émotions"

— To release a build-up of feelings.

Elle a déversé son trop-plein d'émotions en pleurant.

neutral

Easily Confused

déverser vs Verser

They share the same root.

Verser is general (pour/pay). Déverser is specific to mass discharge or dumping.

Je verse le thé vs L'usine déverse du poison.

déverser vs Épancher

Both used for emotions.

Épancher is softer and more intimate. Déverser is more violent or overwhelming.

S'épancher à un ami vs Déverser sa haine.

déverser vs Transvaser

Both involve moving liquid.

Transvaser is moving from one container to another carefully. Déverser is dumping out.

Transvaser le vin dans une carafe.

déverser vs Répandre

Both mean to spread/pour.

Répandre focuses on the surface covered. Déverser focuses on the act of discharging from a source.

Répandre des fleurs sur le sol.

déverser vs Dégorger

Both involve liquid leaving a pipe.

Dégorger usually implies a blockage being cleared or something overflowing from being too full.

Le tuyau dégorge d'eau.

Sentence Patterns

Le [Sujet] déverse [Objet] dans [Lieu].

Le camion déverse le sable dans le jardin.

Le [Sujet] se déverse dans [Lieu].

La rivière se déverse dans la mer.

Il/Elle déverse sa [Émotion] sur [Personne].

Elle déverse sa tristesse sur son amie.

Après avoir [Participe Passé], il a déversé...

Après avoir crié, il a déversé ses larmes.

Il est interdit de déverser...

Il est interdit de déverser des huiles ici.

Un flot de [Nom] s'est déversé...

Un flot de critiques s'est déversé sur le ministre.

C'est en se déversant que...

C'est en se déversant que le fleuve crée un delta.

Nul ne saurait déverser...

Nul ne saurait déverser son mépris sans conséquence.

Word Family

Nouns

déversement (discharge/spill)

déversoir (spillway)

versement (payment)

verseuse (coffee pot)

Verbs

verser (to pour/pay)

renverser (to spill/knock over)

traverser (to cross)

bouleverser (to upset)

Adjectives

déversé (discharged)

versé (skilled/poured)

renversant (stunning)

conduit

effluent

pollution

hydrologie

flux

How to Use It

frequency

Common in news, environment, and specific idioms; less common in daily household talk.

Common Mistakes

Using it for small amounts. → Using 'verser'.
Déverser implies a large, often industrial scale.
Forgetting the 'se' for rivers. → La rivière se déverse.
Rivers flow themselves into the sea; it's a reflexive action in French.
Confusing with 'renverser'. → J'ai renversé mon café.
Renverser is for accidents; déverser is for continuous discharge.
Incorrect preposition 'à'. → Déverser dans le fleuve.
You discharge *into* a body of water.
Lack of agreement in reflexive past tense. → Les eaux se sont déversées.
Reflexive verbs use 'être' and must agree with the subject.

Tips

Think of Volume

Always use déverser when the quantity is large enough to be called a 'flow' or a 'dump'.

Reflexive Agreement

Remember that 'La foule s'est déversée' needs an 'e' at the end of the past participle.

Professional Use

If you work in construction or environment, this is a core technical verb for you.

Dramatic Effect

Use it in stories to make the rain or someone's anger sound more intense.

News Keywords

When you hear 'déverser' on French news, prepare to hear about a spill or pollution.

Venting

Memorize 'déverser son sac'—it's a very common way to say someone finally spoke their mind.

River Mouths

Use 'se déverser' to describe where a river ends its journey.

Destination Matters

Always specify where the substance is going (dans, sur, vers).

Avoid Repetition

Switch between 'déverser', 'rejeter', and 'répandre' in environmental essays.

The 'D' Rule

D is for Discharge, D is for Dump, D is for Déverser.

Memorize It

Mnemonic

Think of 'De-Verser'. 'Verser' is to pour. 'De-' is like 'Discharge'. So, 'Déverser' is to 'Dis-Pour' or dump out a huge amount.

Visual Association

Imagine a giant yellow dump truck tilting its back to empty a mountain of sand. That action is 'déverser'.

Word Web

Eau Pollution Colère Camion Fleuve Déchets Flux Vider

Challenge

Try to write three sentences: one about a river, one about a truck, and one about a feeling using 'déverser'.

Word Origin

From the Old French 'desverser', composed of the prefix 'des-' (indicating removal or intensification) and the verb 'verser' (to pour).

Original meaning: Originally it meant to tilt or lean to one side, leading to the idea of a container being tilted to empty its contents.

Romance (Latin 'versare', frequentative of 'vertere' meaning 'to turn').

Cultural Context

Be careful when using it for people; 'se déverser' for a crowd can sometimes sound like comparing people to a liquid or an object, which might be dehumanizing depending on the context.

In English, we often use 'dump', 'discharge', or 'pour out'. 'Déverser' is more formal than 'dump' but less clinical than 'discharge'.

Used in Zola's novels to describe the industrial landscape of 19th-century France. Common in French rap lyrics to describe 'déverser des rimes' (pouring out rhymes). 出现在 (appears in) many environmental reports by the French Ministry of Ecology.

Practice in Real Life

Real-World Contexts

Environment

déverser des polluants
déversement illégal
protection des eaux
marée noire

Construction

déverser du béton
camion-benne
chantier de construction
gravats

Geography

embouchure
se déverser dans l'océan
affluent
cours d'eau

Psychology/Emotions

déverser sa frustration
besoin de parler
soulager son cœur
vague d'émotion

Technology/Data

déverser des données
flux d'informations
serveur saturé
streaming

Conversation Starters

"Penses-tu que les usines déversent encore trop de produits chimiques dans nos rivières ?"

"As-tu déjà eu besoin de déverser ton sac à un ami après une dure journée ?"

"Où est-ce que cette rivière se déverse exactement ?"

"Est-ce que tu trouves que les réseaux sociaux nous déversent trop de publicités ?"

"Qu'est-ce qui se passe si un barrage doit déverser toute son eau d'un coup ?"

Journal Prompts

Décris un moment où tu as dû déverser toute ta frustration pour te sentir mieux.

Imagine que tu es une goutte d'eau qui finit par se déverser dans l'océan. Raconte ton voyage.

Écris un article court sur les dangers des entreprises qui déversent leurs déchets dans la nature.

Quelles sont les informations que les médias déversent sur nous aujourd'hui et qui te semblent inutiles ?

Décris une scène de chantier où un énorme camion déverse son chargement.

Frequently Asked Questions

10 questions

No, that would sound like you are dumping a huge industrial amount of coffee. Use 'verser' for drinks.

Not always, but it often carries a connotation of excess or pollution. However, a river 'se déversant' into a lake is neutral and natural.

Jeter is 'to throw'. Déverser is specifically for liquids or bulk materials like sand/trash that flow out of a container.

It's a regular -er verb. J'ai déversé, Tu as déversé, etc. If reflexive: Je me suis déversé(e).

Yes, in a metaphorical sense, like 'déverser des données sur un serveur', implying a massive transfer.

It is a noun derived from the verb, meaning a spillway or a weir used to control water flow.

Yes, it's poetic, implying an overwhelming amount of love being given.

Usually 'déverser dans' (into) or 'déverser sur' (onto).

It's used in specific contexts (news, work, big emotions) but isn't as common as 'mettre' or 'verser' in daily life.

Sometimes used metaphorically for 'dumping' stocks or currency on the market.