poluir in 30 Seconds

  • To make the environment dirty or harmful with waste or chemicals.
  • To contaminate air, water, or land with substances that cause damage.
  • The act of introducing pollutants into natural surroundings.
  • To spoil or degrade the environment through contamination.

The Portuguese verb poluir means 'to pollute'. It refers to the act of contaminating the environment with harmful substances, whether it's air, water, or land. This can happen through industrial waste, vehicle emissions, littering, or any other activity that degrades natural resources and harms living beings.

You'll hear poluir used in various contexts, from news reports about environmental issues to everyday conversations about keeping our planet clean. For instance, people might discuss how factories poluem rivers, or how plastic waste can poluir the oceans. It's a crucial verb when discussing sustainability, environmental protection, and the impact of human actions on the natural world.

Consider the sentence:

As fábricas não podem poluir o rio.

This translates to 'The factories cannot pollute the river.' It highlights a rule or a prohibition aimed at preventing environmental damage. The verb emphasizes the action of introducing something harmful into a natural element.

Another common scenario involves discussing air quality.

Os carros poluem muito o ar nas cidades.

'Cars pollute the air a lot in cities.' This points to a widespread source of pollution and its impact on urban environments. The verb is versatile enough to cover different types of pollution and different sources.

When talking about efforts to combat pollution, you might hear phrases like 'combater a poluição' (to combat pollution), which directly relates to stopping the action of poluir. The concept is fundamental to discussions about environmental responsibility and the health of ecosystems. The verb itself carries a strong negative connotation, as pollution is generally seen as a detrimental activity.

Understanding poluir is essential for comprehending discussions about environmental policies, conservation efforts, and the consequences of industrialization. It's a verb that connects human activity with the state of the natural world, urging awareness and action towards a cleaner future. The implications of poluir are far-reaching, affecting biodiversity, climate, and human health.

Think about the broader impact:

O lixo nas ruas pode poluir o lençol freático.

'Trash in the streets can pollute the groundwater.' This illustrates how seemingly small actions can have significant environmental consequences, impacting vital underground water sources. The verb underscores the interconnectedness of our actions and the environment.

The verb poluir is conjugated like other regular -ir verbs in Portuguese. Its primary meaning is 'to pollute,' and it's used when discussing the contamination of the environment. Let's explore how it fits into different sentence structures.

In the present tense, you can say:

Nós não queremos poluir o oceano.

'We do not want to pollute the ocean.' Here, poluir is used in its infinitive form after the verb 'querer' (to want).

To describe an ongoing action, the gerund form is used:

A fumaça das fábricas está poluindo o ar.

'The smoke from the factories is polluting the air.' The gerund form '-indo' is added to the stem 'polu-'.

In the past, referring to a completed action:

Eles poluíram o lago com produtos químicos.

'They polluted the lake with chemicals.' This uses the preterite tense, indicating a past event.

When discussing future intentions or possibilities:

Se continuarmos assim, vamos poluir ainda mais.

'If we continue like this, we will pollute even more.' This uses the future tense.

The verb can also be used in the imperative mood to give commands:

Não polua o meio ambiente!

'Do not pollute the environment!' This is a direct command.

It's important to note that poluir is often used with direct objects that refer to environmental elements, such as 'o ar' (the air), 'a água' (the water), 'o solo' (the soil), 'os rios' (the rivers), 'os oceanos' (the oceans), and 'o meio ambiente' (the environment).

Consider this example using the subjunctive mood, often employed after conjunctions expressing doubt, desire, or emotion:

É importante que todos evitem poluir.

'It is important that everyone avoids polluting.' The verb poluir follows 'evitar' (to avoid) and is in the infinitive, but the overall structure implies a subjunctive context.

The verb can also be used reflexively, although this is less common in the context of environmental pollution itself and more related to how something might be affected or become polluted. However, the primary usage is transitive, meaning it takes a direct object.

To summarize, poluir is a transitive verb that describes the act of contaminating. Its conjugation follows standard patterns, and it is frequently used with environmental nouns as its object. Mastering its various forms will allow you to discuss environmental issues effectively in Portuguese.

You'll encounter the verb poluir frequently in contexts related to environmental awareness, news broadcasts, and educational materials. It's a core term in discussions about the planet's health and human impact.

News and Documentaries: In Portuguese-language news reports, documentaries, and public service announcements about environmental issues, poluir is a staple. You'll hear it when discussing river pollution, air quality alerts, or the impact of industrial waste. For example, a news anchor might say:

A poluição sonora nas grandes cidades continua a poluir o ambiente.

'Noise pollution in big cities continues to pollute the environment.'

Environmental Campaigns: Non-governmental organizations (NGOs) and environmental groups often use poluir in their campaigns to raise awareness and encourage action. Their slogans and calls to action might include phrases like 'Não deixe que poluam o nosso futuro!' ('Don't let them pollute our future!').

Educational Settings: In schools and universities, especially in geography, biology, and environmental science classes, students learn about the causes and effects of pollution using this verb. Teachers might explain:

O descarte incorreto de lixo pode poluir o solo.

'Incorrect waste disposal can pollute the soil.'

Everyday Conversations about Local Issues: Residents might complain about local pollution. If a factory nearby is emitting smoke, someone might say:

Aquela fábrica parece poluir o ar todos os dias.

'That factory seems to pollute the air every day.'

Discussions on Sustainability and Ecology: In broader conversations about sustainable living, ecological balance, and the impact of human activities, poluir is a fundamental verb. You might hear it in debates about renewable energy, recycling, and conservation efforts.

Literature and Arts: Sometimes, poets or writers use poluir metaphorically or to describe the degradation of natural beauty. For instance, a poem might lament how modern development has started to poluir a pristine landscape.

Online Forums and Social Media: Discussions about environmental policies, local environmental problems, or calls for action often use this verb. Hashtags related to environmentalism might include variations of this word.

Travel and Tourism: When visiting natural attractions, guides or locals might warn about not polluting the area.

É proibido poluir as águas desta cachoeira.

'It is forbidden to pollute the waters of this waterfall.'

Essentially, any situation where the contamination or degradation of the environment is being discussed will likely involve the verb poluir. It's a direct and clear way to express this concept in Portuguese.

While poluir is a straightforward verb, learners might make a few common mistakes, often related to conjugation, its direct object, or confusion with similar concepts.

1. Incorrect Conjugation: This is a very common pitfall for learners of any language. Forgetting the correct endings for different tenses and persons can lead to misunderstandings. For example, using 'polui' instead of 'poluiam' when referring to a plural subject in the past tense.

Mistake: Eles polui o rio ontem. (Incorrect)

Correct: Eles poluíram o rio ontem. (They polluted the river yesterday.)

Another common error is with the present tense, especially for third-person plural:

Mistake: As fábricas polui muito. (Incorrect)

Correct: As fábricas poluem muito. (The factories pollute a lot.)

2. Using the Wrong Preposition or Omission of Direct Object: Poluir is a transitive verb, meaning it typically requires a direct object – what is being polluted. Learners might incorrectly use prepositions or omit the object.

Mistake: A fábrica polui com o ar. (Incorrect)

Correct: A fábrica polui o ar. (The factory pollutes the air.)

Mistake: Eles poluem. (Potentially ambiguous, though context might help)

Correct: Eles poluem o ambiente. (They pollute the environment.)

3. Confusion with Related Nouns: Learners might confuse the verb poluir with its noun form, 'poluição' (pollution), or other related words.

Mistake: A fábrica poluição o rio. (Incorrect - trying to use the noun as a verb)

Correct: A fábrica polui o rio. (The factory pollutes the river.)

Correct: A poluição do rio é grave. (The pollution of the river is serious.)

4. Overuse of the Infinitive: Sometimes learners might use the infinitive form 'poluir' where a conjugated form is needed, especially in simple declarative sentences.

Mistake: Eu poluir o ar. (Incorrect)

Correct: Eu poluo o ar. (I pollute the air.)

5. Misunderstanding Nuances with Similar Verbs: While poluir is specific to environmental contamination, learners might confuse it with verbs related to general corruption or spoiling, though these are distinct concepts in Portuguese.

Mistake: Ele poluiu o plano. (While 'poluir' can sometimes imply 'to corrupt' in a very abstract or literary sense, it's not the primary meaning and can be confusing. Better verbs exist for 'corrupt'.)

More appropriate verbs for 'corrupt a plan': 'estragar', 'arruinar', 'corromper'.

Correct use of 'poluir': A indústria polui o rio com resíduos tóxicos. (The industry pollutes the river with toxic waste.)

To avoid these mistakes, focus on practicing conjugation drills, ensuring you always have a direct object (what is being polluted) when using poluir transitively, and clearly distinguishing between the verb 'poluir' and the noun 'poluição'.

While poluir is the most direct and common verb for 'to pollute' in Portuguese, several other words and phrases can convey similar meanings or describe related concepts, depending on the context and the specific type of contamination.

Contaminar
This verb means 'to contaminate' and is very closely related to poluir. Often, they are used interchangeably. However, 'contaminar' can sometimes have a broader application, including biological contamination (like germs) or even metaphorical contamination (like corrupting someone's mind). Poluir is almost exclusively used for environmental pollution.
Envenenar
Literally meaning 'to poison', this verb is used when the polluting substance is particularly toxic and harmful, causing death or severe damage. For example, 'envenenar as águas com veneno' (to poison the waters with poison). It's a stronger, more specific form of pollution.
Sujeitar
This verb means 'to subject' or 'to soil'. While not a direct synonym for 'pollute', it can be used in contexts where something becomes dirty or soiled due to external substances, implying a lesser degree of contamination than poluir. For instance, 'O vento sujou as roupas' (The wind soiled the clothes).
Degradar
This means 'to degrade' or 'to deteriorate'. Environmental degradation is a consequence of pollution, so this verb is often used in conjunction with or as a result of actions that poluem. For example, 'A poluição degrada a paisagem' (Pollution degrades the landscape).
Infestar
Meaning 'to infest', this verb is used when an area is overrun by harmful organisms, which can be a result of pollution or unsanitary conditions. It's not directly about chemical or physical contamination but about an overwhelming presence of pests.
Estragar
This verb means 'to spoil', 'to ruin', or 'to damage'. It can be used in a broader sense of causing harm or making something unusable. For example, 'O tempo estragou a festa' (The weather spoiled the party). In an environmental context, it might be used more generally to describe the damage caused by pollution.
Corromper
While primarily meaning 'to corrupt' in a moral or financial sense, 'corromper' can sometimes be used in a more abstract sense to describe the spoilage or degradation of something. However, for environmental pollution, poluir and 'contaminar' are much more common and precise.

When choosing between these words, consider the following:

Specificity
Poluir is the most general term for environmental contamination. 'Contaminar' is very similar and often interchangeable. 'Envenenar' is for toxic poisoning. 'Degradar' refers to the deterioration caused by pollution.
Context
In environmental discussions, poluir and 'contaminar' are your go-to verbs. If you're talking about general damage or spoiling, 'estragar' might be more appropriate. If you mean severe poisoning, use 'envenenar'.
Intensity
'Envenenar' implies a high degree of toxicity and harm, while 'sujeitar' or 'estragar' might suggest less severe forms of contamination or damage.

For instance, if a chemical spill occurs, you would say:

O vazamento de petróleo poluiu o oceano.

Or, more specifically about the harmful substances:

Os resíduos tóxicos contaminaram a água.

If a substance is lethal:

Eles envenenaram o rio com pesticidas.

Understanding these nuances will help you express yourself more precisely when discussing environmental issues in Portuguese.

How Formal Is It?

Fun Fact

The Latin root 'poluere' is believed to be related to the Greek word 'pólos', meaning 'axis' or 'pivot', possibly implying a disruption or deviation from a natural order. Alternatively, some linguists connect it to 'pollere', meaning 'to be strong', suggesting a powerful, overwhelming contamination.

Pronunciation Guide

UK /po.luˈiɾ/
US /po.luˈiɾ/
The stress falls on the last syllable: po-lu-IR.
Rhymes With
sentir partir abrir fugir construir distribuir seguir agir dormir sorrir
Common Errors
  • Pronouncing the 'o' and 'u' as diphthongs instead of distinct vowel sounds.
  • Not rolling or tapping the final 'r' sound.
  • Placing stress on the wrong syllable, e.g., PO-lu-ir.
  • Pronouncing the 'u' as in 'use' instead of the shorter 'u' sound.
  • Incorrectly vocalizing the final 'r' as a hard 'h' sound.

Difficulty Rating

Reading 2/5

The verb 'poluir' is relatively common and its meaning is usually clear from context, especially in environmental discussions. Its conjugation follows regular patterns, making it accessible for intermediate learners.

Writing 2/5
Speaking 2/5
Listening 2/5

What to Learn Next

Prerequisites

água ar terra lixo fábrica rio mar cidade natureza sujo

Learn Next

contaminar degradar preservar limpar purificar sustentabilidade ecologia meio ambiente

Advanced

efluente resíduo emissão contaminante antropização eutrofização biodiversidade

Grammar to Know

Transitive Verb Usage

Poluir is a transitive verb, meaning it requires a direct object. Example: 'As fábricas poluem o rio.' (The factories pollute the river.)

Present Tense Conjugation (-ir verbs)

Eu poluo, tu polues, ele/ela/você polui, nós poluímos, vós poluis, eles/elas/vocês poluem.

Infinitive after Prepositions/Modal Verbs

É importante não poluir. / Podemos poluir o ar.

Gerund for ongoing actions

A fumaça está poluindo o céu.

Subjunctive Mood after certain conjunctions

Espero que eles não poluam mais.

Examples by Level

1

Não poluir o parque.

Do not pollute the park.

Imperative negative, common for signs.

2

O ar é limpo.

The air is clean.

Simple adjective use.

3

Água suja.

Dirty water.

Adjective follows noun.

4

Não jogar lixo.

Do not throw trash.

Imperative negative, common instruction.

5

O rio está limpo.

The river is clean.

Simple descriptive sentence.

6

Os pássaros cantam.

The birds sing.

Present tense verb.

7

Gosto de ar puro.

I like fresh air.

Expressing preference.

8

O mar é azul.

The sea is blue.

Simple statement of fact.

1

Não podemos poluir o rio.

We cannot pollute the river.

Modal verb 'poder' + infinitive.

2

As fábricas poluem o ar.

The factories pollute the air.

Present tense, plural subject.

3

O lixo vai poluir a água.

The trash will pollute the water.

Future tense with 'ir'.

4

É proibido poluir as praias.

It is forbidden to pollute the beaches.

Infinitive after 'é proibido'.

5

Eles não querem poluir.

They do not want to pollute.

Verb 'querer' + infinitive.

6

O fumo polui muito.

The smoke pollutes a lot.

Singular subject, present tense.

7

Vamos parar de poluir.

Let's stop polluting.

'Vamos' + infinitive for suggestion.

8

O plástico pode poluir os oceanos.

Plastic can pollute the oceans.

Modal verb 'poder' + infinitive.

1

A falta de fiscalização permite que as indústrias poluam os rios.

The lack of oversight allows industries to pollute the rivers.

Subjunctive mood after 'permite que'.

2

Se não agirmos, o planeta continuará a poluir.

If we don't act, the planet will continue to pollute.

Conditional sentence, future tense.

3

É nosso dever evitar poluir o meio ambiente.

It is our duty to avoid polluting the environment.

Infinitive after 'evitar'.

4

A poluição do ar está a poluir as cidades.

Air pollution is polluting the cities.

Present continuous/gerund form.

5

Os governos devem implementar medidas para não poluir.

Governments must implement measures to not pollute.

Modal verb 'dever' + infinitive.

6

As consequências de poluir são graves.

The consequences of polluting are serious.

Gerund used as a noun.

7

Os agricultores não devem poluir os solos com pesticidas.

Farmers should not pollute the soils with pesticides.

Modal verb 'dever' + infinitive.

8

A tecnologia pode ajudar a reduzir o que se polui.

Technology can help reduce what is polluted.

Passive voice implied, 'o que se polui' = what gets polluted.

1

A contaminação por plásticos tem vindo a poluir os ecossistemas marinhos de forma alarmante.

Plastic contamination has been polluting marine ecosystems alarmingly.

Present perfect continuous ('tem vindo a') + infinitive.

2

É imperativo que as nações colaborem para impedir que as atividades humanas continuem a poluir.

It is imperative that nations collaborate to prevent human activities from continuing to pollute.

Subjunctive after 'imperativo que'.

3

O debate gira em torno de como evitar poluir, ao mesmo tempo que se promove o desenvolvimento económico.

The debate revolves around how to avoid polluting while promoting economic development.

Gerund as noun ('evitar poluir') and impersonal 'se'.

4

A negligência na gestão de resíduos industriais pode poluir gravemente as fontes de água potável.

Negligence in industrial waste management can severely pollute drinking water sources.

Modal verb 'poder' + infinitive.

5

Os efeitos de poluir o ar com emissões de carbono são sentidos globalmente.

The effects of polluting the air with carbon emissions are felt globally.

Gerund used as a noun.

6

A conscientização pública é fundamental para que as pessoas deixem de poluir.

Public awareness is fundamental for people to stop polluting.

Subjunctive after 'para que'.

7

A busca incessante por recursos naturais ameaça poluir ainda mais o nosso planeta.

The incessant pursuit of natural resources threatens to further pollute our planet.

Verb 'ameaçar' + infinitive.

8

As gerações futuras pagarão o preço se continuarmos a poluir.

Future generations will pay the price if we continue to pollute.

Conditional sentence, future tense.

1

A recalcitrância de certos setores industriais em adotar práticas sustentáveis contribui significativamente para poluir o meio ambiente.

The recalcitrance of certain industrial sectors in adopting sustainable practices contributes significantly to polluting the environment.

Gerund as part of a prepositional phrase ('em adotar') and as object of 'contribuir para'.

2

Torna-se premente a necessidade de regulamentações mais rigorosas para coibir o ato de poluir.

The need for stricter regulations to curb the act of polluting becomes pressing.

Infinitive used as a noun ('o ato de poluir').

3

A urbanização desenfreada, aliada à falta de saneamento básico, exacerba a capacidade de solos e águas de se autodepurarem, facilitando a ação de poluir.

Unbridled urbanization, combined with the lack of basic sanitation, exacerbates the capacity of soils and waters to self-purify, facilitating the act of polluting.

Infinitive used as a noun ('a ação de poluir').

4

A poluição atmosférica, ao poluir as camadas superiores da atmosfera, tem implicações diretas no aquecimento global.

Atmospheric pollution, by polluting the upper layers of the atmosphere, has direct implications for global warming.

Gerund phrase ('ao poluir') indicating cause/manner.

5

O desperdício de recursos não renováveis é, em última análise, uma forma de poluir o futuro.

The waste of non-renewable resources is, ultimately, a way of polluting the future.

Gerund used as a noun ('poluir o futuro').

6

É crucial que a sociedade civil se mobilize para pressionar os governos a implementarem políticas que visem erradicar a prática de poluir.

It is crucial that civil society mobilizes to pressure governments to implement policies aimed at eradicating the practice of polluting.

Infinitive used as a noun ('a prática de poluir').

7

A mera existência de descarte inadequado de resíduos químicos é suficiente para poluir ecossistemas inteiros.

The mere existence of inadequate disposal of chemical waste is sufficient to pollute entire ecosystems.

Infinitive after 'suficiente para'.

8

A desinformação sobre os perigos de poluir o ambiente tem sido um entrave à adoção de medidas preventivas eficazes.

Misinformation about the dangers of polluting the environment has been an obstacle to the adoption of effective preventive measures.

Gerund used as a noun ('de poluir o ambiente').

1

A antropização crescente dos ecossistemas terrestres e aquáticos impõe um desafio sem precedentes no que concerne a evitar que a ação humana continue a poluir.

The growing anthropization of terrestrial and aquatic ecosystems poses an unprecedented challenge regarding the prevention of human action from continuing to pollute.

Prepositional phrase ('no que concerne a') + infinitive.

2

A inércia legislativa em face da gravidade com que certas indústrias optam por poluir o ar com emissões nocivas é, francamente, inaceitável.

Legislative inertia in the face of the gravity with which certain industries choose to pollute the air with harmful emissions is, frankly, unacceptable.

Infinitive used as a noun ('por poluir o ar').

3

O legado de gerações passadas que não se preocuparam em não poluir é um fardo pesado que as gerações futuras terão de suportar.

The legacy of past generations who did not care about not polluting is a heavy burden that future generations will have to bear.

Gerund used as a noun ('em não poluir').

4

A complexidade dos ciclos biogeoquímicos torna a erradicação total de qualquer forma de poluir um objetivo utópico, mas a minimização é essencial.

The complexity of biogeochemical cycles makes the total eradication of any form of polluting an utopian goal, but minimization is essential.

Gerund used as a noun ('de poluir').

5

A disseminação de microplásticos, ao poluir indiscriminadamente as cadeias alimentares, representa uma ameaça insidiosa à saúde pública.

The dissemination of microplastics, by indiscriminately polluting food chains, represents an insidious threat to public health.

Gerund phrase ('ao poluir') indicating cause/manner.

6

A falta de uma visão holística sobre as interconexões ambientais impede a plena compreensão de como cada ato de poluir, por menor que seja, reverbera.

The lack of a holistic vision of environmental interconnections prevents a full understanding of how each act of polluting, however small, reverberates.

Infinitive used as a noun ('de poluir').

7

A obsolescência programada, ao fomentar um ciclo de consumo que inevitavelmente leva a poluir mais, é um vetor de degradação ambiental.

Planned obsolescence, by fostering a consumption cycle that inevitably leads to more pollution, is a vector of environmental degradation.

Gerund phrase ('ao fomentar') indicating cause/manner.

8

A mitigação do impacto de poluir a atmosfera com gases de efeito estufa requer um esforço concertado a nível global.

Mitigating the impact of polluting the atmosphere with greenhouse gases requires a concerted global effort.

Gerund used as a noun ('de poluir a atmosfera').

Common Collocations

poluir o ar
poluir a água
poluir o solo
poluir o meio ambiente
poluir os oceanos
poluir o ambiente
poluir o planeta
poluir o som
poluir a atmosfera
poluir as praias

Common Phrases

Não polua!

— A direct command meaning 'Do not pollute!'. Often seen on signs.

Sinal na entrada do parque: 'Não polua!'

É proibido poluir.

— It is forbidden to pollute. A formal statement of prohibition.

Na reserva natural, há placas dizendo: 'É proibido poluir.'

Evitar poluir

— To avoid polluting. A recommendation or goal.

Devemos todos nos esforçar para evitar poluir.

Deixar de poluir

— To stop polluting. An imperative for change.

As empresas precisam deixar de poluir para o bem do planeta.

Como não poluir?

— How not to pollute? A question seeking advice or solutions.

Em uma palestra sobre ecologia, a pergunta foi: 'Como não poluir?'

O que polui?

— What pollutes? A question identifying sources of pollution.

Na aula, o professor perguntou: 'O que polui o ar nas cidades?'

Parar de poluir

— To stop polluting. Similar to 'deixar de poluir', emphasizing cessation of the action.

A campanha pedia para parar de poluir os rios.

Poluir menos

— To pollute less. A goal of reduction.

A nova tecnologia ajuda a poluir menos.

É importante não poluir.

— It is important not to pollute. A statement of value.

É importante não poluir para a saúde de todos.

A fábrica polui

— The factory pollutes. A statement of fact about a source of pollution.

Infelizmente, a fábrica polui a água do rio próximo.

Often Confused With

poluir vs contaminar

'Contaminar' is very similar and often interchangeable with 'poluir' when referring to environmental pollution. However, 'contaminar' can also refer to biological contamination (germs) or metaphorical contamination.

poluir vs envenenar

'Envenenar' means 'to poison' and is a stronger, more specific term for pollution involving highly toxic substances that cause harm or death.

poluir vs sujar

'Sujar' means 'to make dirty'. It's a less intense word than 'poluir' and can refer to general dirtiness rather than specific environmental contamination.

Idioms & Expressions

"Poluir a imagem"

— To tarnish someone's reputation or image. This is a metaphorical use, not literal environmental pollution.

O escândalo ajudou a poluir a imagem pública do político.

Figurative, often negative
"Poluir a mente"

— To fill someone's mind with negative, harmful, or unwanted ideas, often through propaganda or misinformation. A metaphorical use.

A propaganda excessiva pode poluir a mente dos jovens com valores superficiais.

Figurative, negative
"Poluir o sangue"

— This idiom is not common in standard Portuguese for environmental pollution. It might be used in very specific, archaic, or regional contexts to imply contamination of lineage or internal purity, but it's not a standard idiom related to 'poluir'.

N/A (Not a common idiom)

Rare/Archaic
"Poluir o ninho"

— Literally 'to pollute the nest'. This idiom is not standard in Portuguese. The closest concept might be 'sujar o próprio ninho' (to foul one's own nest), meaning to harm oneself or one's own group through one's actions.

N/A (Not a standard idiom, use 'sujar o próprio ninho' for related meaning)

Rare/Non-standard
"Poluir o paladar"

— To spoil the taste of something, usually by introducing an unpleasant flavor. This is a less common, more literary usage.

O tempero excessivo acabou por poluir o paladar delicado do prato.

Literary, specific taste context
"Poluir a festa"

— To spoil the atmosphere or enjoyment of an event. Similar to 'estragar a festa'.

A discussão acalorada começou a poluir a festa de aniversário.

Figurative, informal
"Poluir a vista"

— To be an eyesore; to be visually unpleasant. Similar to 'sujar a vista'.

A construção abandonada polui a vista da paisagem.

Figurative, descriptive
"Poluir o silêncio"

— To break the silence with an unpleasant noise. Similar to 'quebrar o silêncio'.

O barulho repentino dos fogos de artifício poluiu o silêncio da noite.

Figurative, auditory context
"Poluir a água com palavras"

— To speak excessively or nonsensically, making conversation unpleasant. Similar to 'falar pelos cotovelos'.

Ele começou a poluir a água com palavras sem sentido, e todos ficaram entediados.

Figurative, conversational context
"Poluir a fonte"

— To contaminate the source of something, often used metaphorically for information or origin.

Se a informação inicial está errada, ela pode poluir a fonte de todo o conhecimento subsequente.

Figurative, abstract

Easily Confused

poluir vs contaminar

Both verbs refer to making something impure or harmful.

'Poluir' is almost exclusively used for environmental contamination (air, water, soil). 'Contaminar' is broader; it can mean to pollute environmentally, but also to infect with germs (e.g., 'contaminar alimentos') or to corrupt morally ('contaminar a mente'). In environmental contexts, they are often synonyms.

A indústria poluiu o rio com químicos. / Os químicos contaminaram o rio.

poluir vs envenenar

Both involve introducing harmful substances.

'Envenenar' specifically means to poison, implying a highly toxic substance that causes death or severe harm. 'Poluir' is a more general term for environmental contamination, which may or may not be immediately lethal.

O vazamento de petróleo poluiu o oceano. / O veneno envenenou os ratos.

poluir vs degradar

Pollution often leads to degradation.

'Poluir' is the act of introducing contaminants. 'Degradar' is the process of deterioration or damage that results from pollution or other factors. You pollute, and as a consequence, the environment degrades.

O lixo polui o solo, e isso degrada a terra.

poluir vs limpar

These are opposite actions related to the state of the environment.

'Poluir' is to make dirty or harmful. 'Limpar' is to remove dirt and make something clean. They represent opposing processes regarding environmental condition.

É fácil poluir um rio, mas difícil limpá-lo.

poluir vs purificar

Both relate to removing impurities.

'Purificar' is a more intensive form of cleaning, often implying the removal of harmful substances to make something safe and pure, especially water or air. 'Poluir' is the act of making it impure in the first place.

A estação de tratamento purifica a água que as fábricas poluem.

Sentence Patterns

A1

Object + é/está + [adjective indicating pollution]

A água está suja.

A2

Subject + poluir + Object

Os carros poluem o ar.

A2

É proibido + poluir

É proibido poluir o parque.

B1

Evitar + poluir

Devemos evitar poluir.

B1

Preocupar-se em + não poluir

É preciso preocupar-se em não poluir.

B2

Gerund + Object

Poluindo o rio, eles prejudicam a vida marinha.

B2

Consequências de + poluir

As consequências de poluir são graves.

C1

Contribuir para + poluir

A falta de fiscalização contribui para poluir.

Word Family

Nouns

poluição
poluente
poluidor

Verbs

poluir

Adjectives

poluído
poluente

Related

contaminar
degradar
limpar
purificar
preservar

How to Use It

frequency

High

Common Mistakes
  • Using 'polui' for plural subjects in the present tense. As fábricas <strong>poluem</strong> o ar.

    The third-person plural present tense ending for -ir verbs is '-em', not '-i'. So, 'as fábricas' (they) takes 'poluem'.

  • Using 'poluir' as an adjective. A água <strong>poluída</strong> está perigosa.

    'Poluir' is a verb. To describe something that has been polluted, use the adjective 'poluído/poluída/poluídos/poluídas'.

  • Forgetting the direct object. Não devemos <strong>poluir</strong> o oceano.

    'Poluir' is transitive and usually needs a direct object (what is being polluted). Saying 'Não devemos poluir' is incomplete in most contexts.

  • Confusing 'poluir' with 'sujar' in formal contexts. O vazamento de petróleo <strong>poluiu</strong> a costa.

    'Sujar' means 'to make dirty' and is generally less formal and less severe than 'poluir', which specifically refers to environmental contamination.

  • Incorrect conjugation in the past tense. Eles <strong>poluíram</strong> o rio ontem.

    The preterite (simple past) for 'eles/elas/vocês' is '-iram' for -ir verbs. 'Poluíram' is correct, not 'poluiram' or 'poluiam' if referring to a completed past action.

Tips

Stress the Final Syllable

Remember that the stress in 'poluir' falls on the last syllable: po-lu-IR. Practice saying it aloud, emphasizing that final 'IR' sound. This will make your pronunciation much clearer.

Connect to 'Pollute'

The Portuguese word 'poluir' sounds very similar to the English word 'pollute'. Create a mental image of a dirty 'pool' that has been 'polluted' to help you remember the meaning and pronunciation.

Transitive Verb

'Poluir' is a transitive verb, meaning it usually takes a direct object. Always think about *what* is being polluted. For example, 'poluir o ar', 'poluir a água', 'poluir o solo'.

Environmental Focus

Use 'poluir' primarily when discussing environmental contamination. For other types of making things dirty or spoiling them, other verbs like 'sujar' or 'estragar' might be more appropriate.

Word Family

Learn related words like 'poluição' (pollution), 'poluente' (pollutant/polluting), and 'poluidor' (polluter). Understanding the word family reinforces the core meaning.

News and Documentaries

Listen to Portuguese news or watch documentaries about environmental issues. You'll hear 'poluir' and its related forms frequently in these contexts, helping you understand its natural usage.

Sentence Building

Practice creating sentences using 'poluir' in different tenses. For example: 'Eu poluo', 'Eu polui', 'Eu poluirei'. Try to describe real-world pollution scenarios.

Opposite Actions

Learn the antonyms 'limpar' (to clean) and 'purificar' (to purify). Thinking about the opposite action can solidify the meaning of 'poluir'.

Common Phrases

Focus on common collocations like 'poluir o ar', 'poluir a água', and 'poluir o meio ambiente'. These phrases are frequently used and will make your Portuguese sound more natural.

Metaphorical Meanings

Be aware that 'poluir' can be used metaphorically (e.g., 'poluir a imagem'). While useful, prioritize mastering the literal environmental meaning first.

Memorize It

Mnemonic

Imagine a 'pool' (like a swimming pool) that is filled with dirty 'goo' (sounds like 'poluir'). The pool is so polluted, you can't swim in it. The image of a dirty pool helps remember the sound and meaning.

Visual Association

Picture a factory chimney releasing thick black smoke that is literally 'pulling' down and 'ruining' (sounds like 'poluir') the clear blue sky and green trees below. The visual of something actively destroying nature through smoke is memorable.

Word Web

Environment Contamination Factories Rivers Air Water Soil Trash Chemicals Harmful substances Degradation Ecology Sustainability Cleanliness Purity Action Damage Waste Nature Planet

Challenge

Try to describe a polluted place you've seen or read about using the verb 'poluir' at least three times. Focus on what is being polluted and by what.

Word Origin

The Portuguese verb 'poluir' comes from the Latin word 'poluere', which also meant 'to pollute' or 'to defile'. This Latin root is shared with words in other Romance languages, such as Spanish 'poluir' (though less common than 'contaminar') and Italian 'inquinare'.

Original meaning: To make dirty, defile, contaminate.

Indo-European > Italic > Latin > Romance > Portuguese

Cultural Context

Discussions about pollution can be sensitive, especially when they involve industries or practices that have significant economic impacts. It's important to approach the topic with an understanding of the complexities involved, balancing environmental protection with economic realities.

In English-speaking countries, the concept of pollution is also widely discussed, with terms like 'pollute', 'contaminate', and 'environmental damage' being common. The urgency and impact of pollution are recognized globally.

The Amazon rainforest's vulnerability to pollution from mining and agriculture is a recurring theme in environmental discussions. Coastal pollution, particularly from plastic waste, is a concern for countries with long coastlines like Portugal and Brazil. Air quality issues in large urban centers like São Paulo and Lisbon are often reported, highlighting the problem of how cars and industries pollute the air.

Practice in Real Life

Real-World Contexts

Environmental protection and awareness

  • Não polua o meio ambiente.
  • É importante não poluir.
  • Como evitar poluir?

Industrial activities and their impact

  • As fábricas poluem o ar.
  • O descarte industrial pode poluir a água.
  • Reduzir o que as indústrias poluem.

Waste management

  • O lixo polui as praias.
  • Não polua jogando lixo no chão.
  • Reciclar para não poluir.

Natural disasters and their consequences

  • O derramamento de óleo poluiu o mar.
  • A chuva ácida poluiu o solo.
  • As consequências de poluir.

Public health and safety

  • Água poluída não é segura.
  • Poluir o ar afeta a saúde.
  • Evitar poluir para proteger a saúde.

Conversation Starters

"What are some common ways people pollute the environment in your country?"

"How can we educate children about the importance of not polluting?"

"What are the biggest environmental challenges related to pollution that your community faces?"

"What are some effective ways to reduce pollution from factories and vehicles?"

"Do you think technology is helping or hindering our efforts to stop polluting?"

Journal Prompts

Describe a place that has been affected by pollution and how it makes you feel.

Brainstorm five small actions you can take daily to avoid polluting the environment.

Write a letter to a local authority suggesting ways to reduce pollution in your city.

Imagine you are a journalist reporting on a major pollution incident. What would be the key points of your report?

Reflect on the long-term consequences of continued pollution for future generations.

Frequently Asked Questions

10 questions

The primary meaning of 'poluir' is 'to pollute'. It refers to the act of contaminating the environment, such as the air, water, or soil, with harmful substances like waste, chemicals, or emissions. It's about making the environment dirty or harmful.

While its main use is for environmental pollution, 'poluir' can sometimes be used metaphorically. For example, 'poluir a imagem' means to tarnish a reputation, or 'poluir a mente' means to fill someone's mind with negative ideas. However, these metaphorical uses are less common than its literal environmental meaning.

Common things that pollute include industrial waste, vehicle emissions, plastic trash, sewage, pesticides, and toxic chemicals. These substances can pollute the air, water, soil, and oceans.

The noun form of 'poluir' is 'poluição', which means 'pollution'. For example, 'A poluição do ar é um problema grave.' (Air pollution is a serious problem.)

To say 'to pollute less', you would use the phrase 'poluir menos'. For example, 'Precisamos encontrar maneiras de poluir menos.' (We need to find ways to pollute less.)

Yes, 'poluir' can be used for other forms of pollution. For example, 'poluição sonora' (noise pollution) and 'poluição visual' (visual pollution). While the verb itself might not always be used directly as 'poluir o som', the noun 'poluição' is used to describe these phenomena.

'Poluir' is specifically about environmental contamination. 'Contaminar' is a broader term that can mean environmental pollution, but also biological contamination (like germs) or even metaphorical corruption. In environmental contexts, they are often interchangeable, but 'poluir' is more specific to the environment.

In the present tense, 'poluir' is conjugated as follows: eu poluo, tu polues, ele/ela/você polui, nós poluímos, vós poluis, eles/elas/vocês poluem.

The imperative form depends on the person. For example, 'Polua!' (Pollute! - formal singular 'você'), 'Polua!' (Pollute! - formal plural 'vocês'), 'Polui!' (Pollute! - informal singular 'tu'). The negative imperative is usually formed with 'não' + subjunctive: 'Não polua!'.

Yes, some figurative uses exist, though they are not as common as the literal meaning. Examples include 'poluir a imagem' (to tarnish an image) and 'poluir a mente' (to fill the mind with negative ideas). These are metaphorical and not related to environmental pollution.

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