At the A1 level, 'argumentar' is a bit advanced, but you can understand it as 'to give reasons'. Imagine you want a cookie and you tell your mom why. You are starting to 'argumentar'. At this stage, focus on the basic idea: saying 'porque' (because) is the first step of argumentar. You won't use this word often in daily conversation yet, but you might hear it when someone asks you to explain 'why' you like something. It is a formal way to say 'explain your reasons'.
At A2, you begin to use 'argumentar' to describe simple interactions. You can use it to say that you are explaining your opinion to a friend or a teacher. You should know that it is a regular verb ending in -ar (eu argumento, você argumenta). You can use it in sentences like 'Eu argumento com meu pai sobre futebol' (I argue/debate with my father about soccer). At this level, you distinguish it from 'brigar' (to fight). You use 'argumentar' when you are being calm and logical.
At the B1 level, 'argumentar' becomes a tool for expressing opinions more formally. You use it in work meetings or school essays. You start using prepositions correctly: 'argumentar contra' (to argue against) and 'argumentar a favor de' (to argue in favor of). You can now describe a debate you watched on TV or a point an author made in a book. You understand that 'argumentar' is about the logic you use to support your ideas, and you can use it to structure your own speaking and writing tasks.
At B2, you are expected to 'argumentar' with fluency and complexity. You can develop a clear argument, expanding and supporting your points of view at some length with subsidiary points and relevant examples. You use the verb to introduce complex ideas: 'Argumenta-se que a globalização tem efeitos mistos.' You also use the noun 'argumentação' to discuss the quality of a debate. You can handle counter-arguments ('contra-argumentar') and use the verb in various tenses, including the subjunctive for hypothetical situations.
At C1, 'argumentar' is part of your professional and academic arsenal. You recognize the nuances between 'argumentar', 'fundamentar', and 'arrazoar'. You can follow complex lines of reasoning in demanding texts and use the verb to critique the logic of others. You use it to describe rhetorical strategies: 'O autor argumenta de forma persuasiva, mas carece de dados.' Your use of the verb is precise, and you can use it to lead discussions and negotiate complex contracts or agreements where every reason must be clearly stated.
At the C2 level, 'argumentar' is used with total mastery of its stylistic implications. You can use it to dissect philosophical treatises or supreme court rulings. You understand the historical etymology and how the concept of 'argumentar' has shaped Western thought. You can use the verb in highly sophisticated structures, such as 'Não obstante o que se possa argumentar em contrário...' (Notwithstanding what might be argued to the contrary...). You are capable of arguing any side of a complex issue with the same level of linguistic precision as a native speaker.

argumentar في 30 ثانية

  • Argumentar is a formal Portuguese verb meaning to present logical reasons or evidence to support a claim or persuade an audience.
  • It differs from 'discutir' or 'brigar' because it focuses on intellectual reasoning rather than emotional conflict or shouting.
  • Commonly used with prepositions like 'com' (with someone), 'sobre' (about a topic), or 'contra' (against a specific point).
  • Essential for academic writing, legal contexts, and professional negotiations where structured communication is required.

The Portuguese verb argumentar is a cornerstone of intellectual discourse, legal proceedings, and everyday persuasion. At its core, it means to present a structured set of reasons, evidence, or logic to support a specific viewpoint, proposal, or action. Unlike the English 'to argue,' which often implies a heated emotional conflict (better translated as discutir or brigar in Portuguese), argumentar leans heavily toward the cognitive and rhetorical side of debate. It is the act of building a case, brick by brick, using the mortar of logic and the foundation of facts.

Logical Foundation
The process of using 'argumentos' (arguments) to reach a conclusion.
Persuasive Intent
The goal is often to convince an interlocutor or an audience of a specific truth.
Formal Context
Frequently used in academic, legal, and professional writing to denote the presentation of a thesis.

"O advogado precisou argumentar durante horas para convencer o júri da inocência do réu."

— Example of legal usage

In a social context, when you argumenta, you are engaging in a civil exchange of ideas. It suggests a level of sophistication and emotional control. If you are 'argumentando com o seu chefe,' you aren't necessarily yelling; you are likely presenting reasons why a project should be handled differently or why you deserve a promotion. This distinction is vital for learners: use argumentar when you want to sound constructive and intellectual.

"Não adianta apenas gritar; você precisa argumentar com base em fatos reais."

The word carries a weight of authority. When a text 'argumenta que...', it is making a formal claim. This is why you will see it constantly in news editorials, scientific papers, and philosophical essays. It bridges the gap between simple statement and complex proof.

"Muitos especialistas argumentam que a educação é o único caminho para o desenvolvimento."

Rhetorical Strategy
The art of selecting the most effective points to win a debate.
Dialectical Process
The back-and-forth of argument and counter-argument (contra-argumentar).

"Ela sabe argumentar muito bem, mesmo sob pressão."

"É difícil argumentar contra os números apresentados no relatório."

Refutation
The act of argumentar contra (arguing against) a specific point.

Using argumentar correctly requires understanding its prepositional patterns and the nuance of its objects. It is a regular first-conjugation verb (-ar), making it relatively easy to conjugate in all tenses. However, the 'who' and 'what' of the argument change the prepositions you use.

1. Argumentar COM (Arguing WITH someone)

When you are engaging in a dialogue or debate with another person, use the preposition com. This does not imply a fight, but rather a shared intellectual space.

  • "Eu gosto de argumentar com pessoas inteligentes." (I like to argue/debate with intelligent people.)
  • "Ele argumentou com o juiz educadamente." (He argued with the judge politely.)

2. Argumentar SOBRE / QUE (Arguing ABOUT / THAT)

To specify the topic or the thesis, use sobre (about) or follow the verb directly with que (that) to introduce a clause.

  • "Eles estão argumentando sobre política." (They are arguing/debating about politics.)
  • "O autor argumenta que a tecnologia isola as pessoas." (The author argues that technology isolates people.)

3. Argumentar CONTRA / A FAVOR DE (Arguing AGAINST / IN FAVOR OF)

To show your stance, these compound prepositions are essential.

  • "Não há como argumentar contra as evidências." (There is no way to argue against the evidence.)
  • "Muitos argumentam a favor da semana de quatro dias." (Many argue in favor of the four-day week.)

In formal writing, argumentar is often used in the passive voice or with impersonal 'se' to state general consensus: "Argumenta-se que..." (It is argued that...). This is a high-level structure that will make your Portuguese sound very professional.

You will encounter argumentar in various domains, each with a slightly different flavor. Understanding these contexts helps you recognize the 'weight' of the word when it's used.

In the Courtroom (O Tribunal)

This is the natural habitat of the verb. Lawyers (advogados) and prosecutors (promotores) do not just talk; they argumentam. Their entire career is built on the strength of their argumentação. You'll hear: "A defesa vai argumentar que houve erro processual."

In Academia (A Universidade)

When reading a thesis (tese) or a scientific article, the verb is used to introduce the researcher's findings and logic. Professors will ask students to "argumentar seu ponto de vista" in essays. It implies a requirement for evidence, not just opinion.

In Corporate Meetings (Reuniões)

When a manager wants to change a strategy, they must argumentar why the current path is failing. It's used to describe the process of negotiation. "Precisamos argumentar melhor para conseguir mais orçamento."

In Daily News (Noticiário)

Journalists use it to report on what politicians or public figures are saying. "O ministro argumentou que a inflação está sob controle." This attributes a logical claim to the speaker rather than just a simple statement.

The most frequent error for English speakers is the 'False Friend' Trap. In English, 'to argue' is very often synonymous with 'to fight' or 'to have a row.' If you say "Eu argumentei com minha esposa ontem" in Portuguese, a native speaker might think you had a very structured, logical debate about the household budget, rather than a heated emotional disagreement.

Mistake 1: Using it for emotional fights

If you were yelling or angry, use discutir or brigar.

  • ❌ "Eles argumentaram no meio da rua." (Sounds like a street philosophy debate).
  • ✅ "Eles brigaram no meio da rua." (They had a fight).

Mistake 2: Forgetting the preposition 'com'

You cannot just 'argumentar alguém'. You must argumentar com someone.

  • ❌ "Eu quero argumentar você."
  • ✅ "Eu quero argumentar com você."

Mistake 3: Confusing 'Argumento' with 'Enredo'

While not the verb itself, the noun argumento is often confused. In cinema, argumento means the 'screenplay' or 'script' logic, but people often use it when they mean enredo (plot). In the verb form, don't use argumentar to mean 'to tell a story'.

Portuguese has a rich vocabulary for communication. Knowing the neighbors of argumentar helps you choose the right tool for the job.

1. Discutir

Often used for 'to discuss' (neutral) or 'to argue/quarrel' (negative). It is broader than argumentar. Argumentar is always about the content of the reasons; discutir can just be about the act of talking.

2. Debater

This implies a formal setting with two or more sides. You argumentar within a debate. Debater is the event; argumentar is the action you perform during it.

3. Fundamentar

A very close synonym, often used in legal and academic contexts. It means 'to provide a foundation' for an idea. If you argumentar well, you are fundamentando your thesis.

4. Arrazoar

A more literary or old-fashioned term for 'to reason' or 'to present reasons.' You might see this in classic literature or very formal legal documents.

5. Convencer

The goal of argumentar. You argumentar to convencer (convince) someone.

How Formal Is It?

مستوى الصعوبة

قواعد يجب معرفتها

Conjunctions (porque, visto que, pois)

Subjunctive mood for hypothetical arguments

Indirect speech (Ele disse que...)

Passive voice (Argumenta-se que...)

Connectives for logical flow (portanto, todavia, contudo)

أمثلة حسب المستوى

1

Eu argumento porque gosto de falar.

I argue because I like to talk.

Present tense, 1st person singular.

2

Você argumenta bem.

You argue well.

Present tense, 2nd person singular (você).

3

Nós argumentamos na escola.

We argue/debate at school.

Present tense, 1st person plural.

4

Eles não querem argumentar.

They don't want to argue.

Infinitive after 'querer'.

5

Ela argumenta com a mãe.

She argues/reasons with her mother.

Preposition 'com'.

6

O menino argumenta sobre o brinquedo.

The boy argues about the toy.

Preposition 'sobre'.

7

Eu vou argumentar agora.

I am going to argue now.

Future with 'ir' + infinitive.

8

Por que você argumenta tanto?

Why do you argue so much?

Interrogative sentence.

1

Ele argumentou que o preço era alto.

He argued that the price was high.

Preterite tense.

2

Nós precisamos argumentar com o professor.

We need to argue/reason with the teacher.

Modal verb 'precisar'.

3

Ela sempre argumenta a favor dos animais.

She always argues in favor of animals.

Phrase 'a favor de'.

4

Eles argumentaram contra a nova regra.

They argued against the new rule.

Phrase 'contra'.

5

Você pode argumentar melhor que isso.

You can argue better than that.

Comparative 'melhor que'.

6

O guia argumentou sobre o caminho mais curto.

The guide argued about the shortest path.

Preterite tense.

7

Eu não quero argumentar com você hoje.

I don't want to argue with you today.

Negative sentence.

8

Ela argumenta de forma muito clara.

She argues in a very clear way.

Adverbial phrase 'de forma clara'.

1

O advogado argumentou brilhantemente no tribunal.

The lawyer argued brilliantly in court.

Adverb 'brilhantemente'.

2

Se você argumentar bem, poderá convencê-los.

If you argue well, you will be able to convince them.

Future subjunctive 'argumentar'.

3

Eles estão argumentando sobre o futuro da empresa.

They are arguing/debating about the company's future.

Present continuous.

4

É importante argumentar com base em dados.

It is important to argue based on data.

Impersonal expression 'É importante'.

5

Ela argumentou que a decisão foi injusta.

She argued that the decision was unfair.

Conjunction 'que'.

6

Ninguém conseguiu argumentar contra ele.

No one managed to argue against him.

Preterite of 'conseguir'.

7

O texto argumenta a favor da sustentabilidade.

The text argues in favor of sustainability.

Personification of 'texto'.

8

Vamos argumentar os pontos principais da proposta.

Let's argue/discuss the main points of the proposal.

Direct object use.

1

O autor argumenta que a história é cíclica.

The author argues that history is cyclical.

Academic present tense.

2

Embora ele argumente bem, não concordo com ele.

Although he argues well, I don't agree with him.

Present subjunctive after 'embora'.

3

É difícil argumentar quando não se tem provas.

It is difficult to argue when one has no proof.

Impersonal 'se'.

4

Ela passou a tarde argumentando com o suporte técnico.

She spent the afternoon arguing with technical support.

Gerund 'argumentando'.

5

O relatório argumenta pela necessidade de reformas.

The report argues for the need for reforms.

Preposition 'pela' (por + a).

6

Eles argumentaram exaustivamente antes de votar.

They argued exhaustively before voting.

Adverb 'exaustivamente'.

7

Não tente argumentar se você não conhece o assunto.

Don't try to argue if you don't know the subject.

Imperative 'não tente'.

8

O filósofo argumenta sobre a natureza da verdade.

The philosopher argues about the nature of truth.

Abstract topic.

1

A tese argumenta consistentemente contra o paradigma atual.

The thesis consistently argues against the current paradigm.

Use of 'consistentemente'.

2

Pode-se argumentar que a arte é uma forma de resistência.

One can argue that art is a form of resistance.

Passive 'Pode-se'.

3

Ele argumentou com tal veemência que silenciou a sala.

He argued with such vehemence that he silenced the room.

Consecutive clause 'tal... que'.

4

Resta-nos argumentar a validade desses novos métodos.

It remains for us to argue the validity of these new methods.

Formal structure 'Resta-nos'.

5

O ensaio argumenta em prol de uma reforma tributária.

The essay argues in favor of tax reform.

Phrase 'em prol de'.

6

Ao argumentar, ele evita falácias lógicas comuns.

When arguing, he avoids common logical fallacies.

Gerundial clause 'Ao argumentar'.

7

A defesa argumentou a nulidade do processo.

The defense argued the nullity of the process.

Direct object 'a nulidade'.

8

Não se pode argumentar com o inevitável.

One cannot argue with the inevitable.

Philosophical usage.

1

O autor exacerba a polêmica ao argumentar a obsolescência do Estado.

The author exacerbates the controversy by arguing the obsolescence of the State.

Complex sentence structure.

2

Argumentar-se-ia, em uma análise superficial, que o lucro é o único fim.

It would be argued, in a superficial analysis, that profit is the only end.

Mesoclisis 'Argumentar-se-ia'.

3

A despeito do que se possa argumentar, os fatos são implacáveis.

Despite what might be argued, the facts are relentless.

Concessive 'A despeito de'.

4

O orador soube argumentar as nuances mais sutis da questão.

The speaker knew how to argue the subtlest nuances of the issue.

Nuanced vocabulary.

5

Sua capacidade de argumentar é superada apenas por sua erudição.

His ability to argue is surpassed only by his erudition.

Passive voice 'é superada'.

6

Argumentar a favor de tal medida seria um suicídio político.

Arguing in favor of such a measure would be political suicide.

Conditional 'seria'.

7

O texto argumenta a imanência do sagrado no cotidiano.

The text argues the immanence of the sacred in everyday life.

Highly abstract/philosophical.

8

Ele argumentou de modo a desconstruir toda a retórica adversária.

He argued in a way as to deconstruct all the opposing rhetoric.

Finality clause 'de modo a'.

تلازمات شائعة

Argumentar bem
Argumentar contra
Argumentar a favor
Saber argumentar
Argumentar logicamente
Argumentar exaustivamente
Argumentar com clareza
Argumentar no tribunal
Argumentar em vão
Argumentar apaixonadamente

يُخلط عادةً مع

argumentar vs Discutir

Discutir can be a neutral discussion or a fight; argumentar is always logical reasoning.

argumentar vs Brigar

Brigar is to fight (physically or verbally); argumentar is to reason.

argumentar vs Conversar

Conversar is just to talk; argumentar has a goal of persuasion.

سهل الخلط

argumentar vs

argumentar vs

argumentar vs

argumentar vs

argumentar vs

أنماط الجُمل

كيفية الاستخدام

nuance

Argumentar is more about the 'what' (the logic), while discutir is more about the 'how' (the interaction).

frequency

Very high in formal contexts; medium in daily life.

أخطاء شائعة
  • Using 'argumentar' when you mean 'to yell at someone'.
  • Saying 'argumentar alguém' instead of 'argumentar COM alguém'.
  • Confusing 'argumento' with 'fight'.
  • Misspelling it as 'argomentar' (influenced by other languages).
  • Using it for storytelling instead of logical reasoning.

نصائح

Regularity

Since it's regular, once you know 'falar', you know 'argumentar'. Focus on the meaning.

Synonyms

Use 'fundamentar' in academic papers to sound more sophisticated than just using 'argumentar'.

Politeness

Using 'argumentar' instead of 'discutir' can make a disagreement sound more like a professional exchange.

Structure

Start your paragraphs with 'Argumenta-se primeiramente que...' to organize your thoughts.

Context Clues

If you hear 'argumentar' in a movie, look for a courtroom or a classroom scene.

Confidence

Don't be afraid to use it! It shows you have a good grasp of formal Portuguese.

Debate Culture

Brazilians love a good 'debate'. Learning to argumentar will help you join the conversation.

CELPE-Bras

This is a key verb for the Brazilian proficiency exam, especially in the written part.

Evidence

Always follow 'argumentar' with a 'porque' or 'que' to provide your evidence.

Nasalization

Make sure to nasalize the 'men' in ar-gu-MEN-tar.

احفظها

ربط بصري

Imagine a lawyer building a wall of bricks, where each brick is a fact. That wall is the 'argumento' he is 'argumentando'.

أصل الكلمة

From Latin 'argumentari', which means 'to bring forth proof' or 'to reason'.

السياق الثقافي

Portuguese law is based on Civil Law, where written 'argumentação' is paramount.

Often associated with 'jeitinho' when trying to argue your way out of a situation.

Strong tradition of rhetorical excellence in classical education.

تدرّب في الحياة الواقعية

سياقات واقعية

بدايات محادثة

"Como você costuma argumentar quando discorda de alguém?"

"Você acha fácil argumentar em português?"

"Sobre qual assunto você mais gosta de argumentar?"

"É possível argumentar com alguém que não usa a lógica?"

"Qual foi o melhor argumento que você já ouviu?"

مواضيع للكتابة اليومية

Escreva sobre uma vez que você teve que argumentar para conseguir algo.

Argumente a favor ou contra o uso de inteligência artificial na escola.

Como a habilidade de argumentar pode ajudar na sua carreira?

Descreva um debate famoso e os pontos argumentados.

Argumente por que aprender português é importante para você.

الأسئلة الشائعة

10 أسئلة

Technically no, it means to reason. However, in casual speech, people might use it when a debate gets heated, but 'discutir' is more common for fights.

Yes, it follows the standard -ar conjugation pattern perfectly.

The most common nouns are 'argumento' (an argument) and 'argumentação' (the act of arguing).

Yes, it's a great word to use when explaining your decisions or skills logically.

It is more formal than 'falar' or 'contar', but it's used in everyday logical contexts too.

Use 'argumentar contra'.

Debater is the whole event/process; argumentar is the specific action of presenting reasons.

Yes, in Portuguese, we often say 'O livro argumenta que...' to describe the author's thesis.

Very common, especially in news, law, and education.

There isn't a perfect single-word opposite, but 'concordar' (to agree) or 'aceitar' (to accept) are often used in contrast.

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