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 6In a business meeting
Minha estratégia está fundamentada em argumentos sólidos.
My strategy is grounded in solid arguments.
Writing a university essay
O artigo deve ser fundamentado em argumentos científicos.
The article must be grounded in scientific arguments.
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.
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
6Minha estratégia está fundamentada em argumentos sólidos.
My strategy is grounded in solid arguments.
Used to gain the trust of stakeholders.
O artigo deve ser fundamentado em argumentos científicos.
The article must be grounded in scientific arguments.
Standard academic requirement.
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.
O pedido de liberdade está fundamentado em argumentos legais.
The request for release is grounded in legal arguments.
Highly technical and precise use.
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.
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.
'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'?
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.'
'Defesa' é feminino singular.
Combine os sinônimos.
Combine a expressão com seu equivalente mais próximo.
'Embasado' é o sinônimo mais próximo no registro acadêmico/formal.
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercisesAs teorias do cientista estão ________ em argumentos sólidos.
'Teorias' é um substantivo feminino plural, portanto o adjetivo deve ser 'fundamentadas'.
Em qual situação você diria 'Minha decisão é fundamentada em argumentos'?
A frase é formal e exige um contexto profissional ou acadêmico.
Juiz: 'O senhor pode provar sua inocência?' Réu: 'Sim, Meritíssimo. Minha defesa está totalmente ________ em argumentos e provas documentais.'
'Defesa' é feminino singular.
Match each item on the left with its pair on the right:
'Embasado' é o sinônimo mais próximo no registro acadêmico/formal.
🎉 Score: /4
Frequently Asked Questions
10 questionsWhile '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
similarBased on
Embasado em
synonymGrounded in
Infundado
contrastUnfounded
Pelo andar da carruagem
contrastThe way things are going