B2 Expression Formal 2 min read

Fundamentado em argumentos

Regarding the argumentos

Literally: Grounded in arguments

In 15 Seconds

  • Means a claim is backed by solid logic or evidence.
  • Best used in professional, academic, or serious debates.
  • Signals that you have done your research and are prepared.

Meaning

This phrase describes something that is well-supported by solid reasons, logic, or evidence. It is like saying a claim or decision isn't just a random guess, but has a strong foundation.

Key Examples

3 of 6
1

In a business meeting

Minha estratégia está fundamentada em argumentos sólidos.

My strategy is grounded in solid arguments.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>
2

Writing a university essay

O artigo deve ser fundamentado em argumentos científicos.

The article must be grounded in scientific arguments.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>
3

Defending a personal choice to parents

Minha decisão de mudar de carreira está fundamentada em argumentos financeiros.

My decision to change careers is grounded in financial arguments.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>
🌍

Cultural Background

In Brazil, the legal system is extremely formal. Judges are required by the Constitution to have every decision 'fundamentada'. This makes the phrase very common in news reports about the Supreme Court (STF). Portuguese academic culture values 'rigor'. Using this phrase in a thesis defense in Coimbra or Lisbon shows that you respect the traditional intellectual standards of the country. In Angolan formal business settings, which often follow Portuguese administrative traditions, this phrase is used to show seriousness and reliability in proposals. In the modern tech world in São Paulo, this phrase is often used to push back against 'gut feelings' in favor of 'data-driven' decisions.

🎯

The 'Agreement' Trap

Always check the noun before the phrase. If you are talking about 'uma ideia', it's 'fundamentada'. If it's 'um plano', it's 'fundamentado'.

⚠️

Too Formal?

If you use this with friends while arguing about which movie to watch, they might think you're being sarcastic or acting like a lawyer.

In 15 Seconds

  • Means a claim is backed by solid logic or evidence.
  • Best used in professional, academic, or serious debates.
  • Signals that you have done your research and are prepared.

What It Means

Think of a house. Without a foundation, it falls over. Fundamentado em argumentos is the foundation for your ideas. It means your point of view is built on facts or logic. It is not just a feeling. It is a structured way to say 'I have proof.'

How To Use It

You use it when you want to sound convincing. It usually follows a noun like decisão (decision) or proposta (proposal). You are telling people that you did your homework. It makes you sound like someone who thinks before they speak. Use it to defend your choices at work or in serious talks.

When To Use It

This is a star phrase for professional settings. Use it during a performance review to justify a raise. Use it in an essay or a formal email. It also works when you are debating a serious topic with friends. If someone asks 'Why do you think that?', this phrase is your best shield. It shows you are being rational, not emotional.

When NOT To Use It

Do not use this for small, everyday things. If you are choosing a pizza topping, don't say it is fundamentado em argumentos. You will sound like a robot at a party. Avoid it in casual texts like 'What's up?'. It is too heavy for light banter. Also, do not use it if you actually have no proof. People will call your bluff!

Cultural Background

Portuguese culture values eloquent speech and intellectual debate. In Brazil and Portugal, being able to articulate 'the why' is a sign of education. This phrase comes from legal and academic worlds. It has moved into business because everyone wants to sound authoritative. It reflects a society that enjoys a good, structured discussion over coffee.

Common Variations

You might hear com base em fatos (based on facts). Another one is alicerçado em provas (anchored in evidence). If you want to be slightly less formal, try bem explicado (well explained). However, fundamentado remains the gold standard for credibility. It carries a weight that other words simply don't have.

Usage Notes

This is a high-register expression. It is perfect for B2 learners looking to sound more professional. Ensure you match the gender of the noun you are describing (fundamentado/fundamentada).

🎯

The 'Agreement' Trap

Always check the noun before the phrase. If you are talking about 'uma ideia', it's 'fundamentada'. If it's 'um plano', it's 'fundamentado'.

⚠️

Too Formal?

If you use this with friends while arguing about which movie to watch, they might think you're being sarcastic or acting like a lawyer.

Examples

6
#1 In a business meeting
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

Minha estratégia está fundamentada em argumentos sólidos.

My strategy is grounded in solid arguments.

Used to gain the trust of stakeholders.

#2 Writing a university essay
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

O artigo deve ser fundamentado em argumentos científicos.

The article must be grounded in scientific arguments.

Standard academic requirement.

#3 Defending a personal choice to parents
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>

Minha decisão de mudar de carreira está fundamentada em argumentos financeiros.

My decision to change careers is grounded in financial arguments.

Shows you are being responsible and serious.

#4 A lawyer speaking in court
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

O pedido de liberdade está fundamentado em argumentos legais.

The request for release is grounded in legal arguments.

Highly technical and precise use.

#5 Debating politics with a friend
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Você precisa de uma crítica fundamentada em argumentos, não apenas raiva.

You need a critique grounded in arguments, not just anger.

Challenging someone to be more logical.

#6 Humorous office banter
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Meu pedido de café extra está fundamentado em argumentos de produtividade!

My request for extra coffee is grounded in productivity arguments!

Using a formal phrase for a silly request.

Test Yourself

Complete a frase com a forma correta de 'fundamentado', observando o gênero.

As teorias do cientista estão ________ em argumentos sólidos.

✓ Correct! ✗ Not quite. Correct answer: fundamentadas

'Teorias' é um substantivo feminino plural, portanto o adjetivo deve ser 'fundamentadas'.

Qual é o contexto mais apropriado para usar esta frase?

Em qual situação você diria 'Minha decisão é fundamentada em argumentos'?

✓ Correct! ✗ Not quite. Correct answer: Em uma entrevista de emprego ao explicar um projeto.

A frase é formal e exige um contexto profissional ou acadêmico.

Complete o diálogo formal.

Juiz: 'O senhor pode provar sua inocência?' Réu: 'Sim, Meritíssimo. Minha defesa está totalmente ________ em argumentos e provas documentais.'

✓ Correct! ✗ Not quite. Correct answer: fundamentada

'Defesa' é feminino singular.

Combine os sinônimos.

Combine a expressão com seu equivalente mais próximo.

✓ Correct! ✗ Not quite. Correct answer: Fundamentado em argumentos = Embasado

'Embasado' é o sinônimo mais próximo no registro acadêmico/formal.

🎉 Score: /4

Visual Learning Aids

Practice Bank

4 exercises
Complete a frase com a forma correta de 'fundamentado', observando o gênero. Fill Blank B1

As teorias do cientista estão ________ em argumentos sólidos.

✓ Correct! ✗ Not quite. Correct answer: fundamentadas

'Teorias' é um substantivo feminino plural, portanto o adjetivo deve ser 'fundamentadas'.

Qual é o contexto mais apropriado para usar esta frase? Choose B2

Em qual situação você diria 'Minha decisão é fundamentada em argumentos'?

✓ Correct! ✗ Not quite. Correct answer: Em uma entrevista de emprego ao explicar um projeto.

A frase é formal e exige um contexto profissional ou acadêmico.

Complete o diálogo formal. dialogue_completion B2

Juiz: 'O senhor pode provar sua inocência?' Réu: 'Sim, Meritíssimo. Minha defesa está totalmente ________ em argumentos e provas documentais.'

✓ Correct! ✗ Not quite. Correct answer: fundamentada

'Defesa' é feminino singular.

Combine os sinônimos. Match B2

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: Fundamentado em argumentos = Embasado

'Embasado' é o sinônimo mais próximo no registro acadêmico/formal.

🎉 Score: /4

Frequently Asked Questions

10 questions

While 'por' is occasionally used to indicate the author of the arguments, 'em' is the standard preposition for the basis itself. Stick to 'em'.

Yes, it is very common in formal European Portuguese, especially in legal and academic contexts.

The most common opposite is 'infundado' (unfounded) or 'sem base'.

Only if the topic is serious (like work or a deep debate). For casual plans, it's too heavy.

No, you can say 'fundamentado em fatos', 'fundamentado em dados', or 'fundamentado em evidências'.

They are synonyms. 'Embasado' is slightly more common in Brazilian academic circles, while 'fundamentado' is more common in legal ones.

Use it to conclude a thought, e.g., '...e é por isso que minha proposta está fundamentada em argumentos sólidos.'

Yes, though 'alicerçado' or 'construído sobre' is more common for physical structures today.

'Argumentos' refers to the specific points; 'argumentação' refers to the whole process of arguing. Usually, 'argumentos' is used here.

Yes, because it requires understanding of formal registers and noun-adjective agreement.

Related Phrases

🔗

Com base em

similar

Based on

🔄

Embasado em

synonym

Grounded in

🔗

Infundado

contrast

Unfounded

🔗

Pelo andar da carruagem

contrast

The way things are going

Was this helpful?

Comments (0)

Login to Comment
No comments yet. Be the first to share your thoughts!