In 15 Seconds
- Used for significant blunders with real consequences.
- Works in both professional and personal life.
- Commonly paired with the verb 'cometer' (to commit).
Meaning
This phrase describes a significant blunder or a serious error in judgment. It is exactly what you say when you realize you've made a choice you'll likely regret.
Key Examples
3 of 6Reflecting on a past job choice
Sair daquela empresa foi um grande erro.
Leaving that company was a big mistake.
Warning a friend about a bad idea
Não compre esse carro, vai ser um grande erro!
Don't buy that car, it's going to be a big mistake!
In a formal business meeting
Admitimos que houve um grande erro na estratégia.
We admit there was a big mistake in the strategy.
Cultural Background
In Brazil, the term 'mancada' is often used instead of 'grande erro' in social situations. If you 'dar uma mancada', you've let someone down or acted socially inappropriately. The Portuguese often use 'asneira' to describe a 'grande erro'. It can range from a small silly mistake to a major blunder. In Angolan Portuguese, 'grande erro' is used similarly to Portugal, but you might also hear 'falha' used with great emphasis in professional settings. In the Lusophone corporate world, admitting a 'grande erro' is increasingly seen as a sign of 'accountability', a concept often translated as 'responsabilização'.
The 'Grande' Rule
Always put 'grande' before the noun when you want to sound more emotional or emphatic about the quality of the mistake.
Avoid 'Fazer'
While 'fazer um erro' is common among learners, native speakers will immediately notice if you use 'cometer' instead—it sounds much more natural.
In 15 Seconds
- Used for significant blunders with real consequences.
- Works in both professional and personal life.
- Commonly paired with the verb 'cometer' (to commit).
What It Means
Grande erro is your go-to phrase for serious mistakes. It is not for small typos. It is for those 'oh no' moments. Think of it as a heavy realization. It implies the consequences will be felt. It is simple but carries a lot of weight.
How To Use It
You can use it as a standalone exclamation. You can also build it into full sentences. Usually, you use it with the verb cometer (to commit). You might say, "Eu cometi um grande erro." It works perfectly when reflecting on the past. It also works when warning someone about the future.
When To Use It
Use it when you forget an anniversary. Use it when you hit 'reply all' on a spicy email. It fits perfectly in business meetings. It also works while venting to a friend. If the mistake has a lasting impact, this is the phrase. It sounds natural in almost any conversation.
When NOT To Use It
Don't use it for tiny, daily accidents. If you drop a spoon, it is just an erro. If you misspell a word, it is a pequeno erro. Using grande erro for small things sounds dramatic. Unless you are being sarcastic, keep it for the big stuff. Don't use it if you aren't actually sorry or concerned.
Cultural Background
Portuguese speakers are often very expressive about regrets. Admitting a grande erro shows a level of humility. In Brazil, people might be more dramatic with their tone. In Portugal, it might sound more somber and serious. It is a universal concept but deeply felt in Lusophone cultures. It often leads into a long story about what went wrong.
Common Variations
You might hear erro fatal for something truly unfixable. Some people say baita erro in Southern Brazil. If you want to be more formal, use equívoco. But grande erro remains the most common and clear version. It is the classic way to own up to a mess-up.
Usage Notes
The phrase is highly versatile and fits into almost any register. The most important thing to remember is that placing 'grande' before 'erro' emphasizes the speaker's feeling of regret.
The 'Grande' Rule
Always put 'grande' before the noun when you want to sound more emotional or emphatic about the quality of the mistake.
Avoid 'Fazer'
While 'fazer um erro' is common among learners, native speakers will immediately notice if you use 'cometer' instead—it sounds much more natural.
The Brazilian 'Mancada'
If you are in Brazil and you mess up with a friend, say 'Foi mal, dei uma mancada'. It's much more 'local' than 'cometi um grande erro'.
Examples
6Sair daquela empresa foi um grande erro.
Leaving that company was a big mistake.
Expressing regret about a career move.
Não compre esse carro, vai ser um grande erro!
Don't buy that car, it's going to be a big mistake!
Giving strong advice to prevent a future problem.
Admitimos que houve um grande erro na estratégia.
We admit there was a big mistake in the strategy.
Taking professional responsibility for a failure.
Mandei mensagem para o meu ex... grande erro.
I texted my ex... big mistake.
Short, punchy use in a casual text context.
Pedir a pimenta extra forte foi um grande erro.
Ordering the extra spicy chili was a big mistake.
Using the phrase for a funny, relatable physical regret.
Muitos historiadores dizem que aquilo foi um grande erro.
Many historians say that was a big mistake.
Using the phrase in an academic or analytical way.
Test Yourself
Complete the sentence with the correct form of the phrase.
Eu não deveria ter vendido minha casa. Foi um ______ ______.
The phrase 'grande erro' is the standard way to express a serious mistake in judgment.
Which verb is most commonly used with 'grande erro' in a formal context?
Ele ______ um grande erro na reunião.
'Cometer' is the standard collocation for making a mistake in Portuguese.
Choose the best response for the situation.
Amigo: 'Você esqueceu o aniversário da sua mãe?' Você: 'Sim, ______.'
Forgetting a mother's birthday is a serious social blunder, making 'grande erro' appropriate.
🎉 Score: /3
Visual Learning Aids
Grande Erro vs. Erro Grande
Practice Bank
3 exercisesEu não deveria ter vendido minha casa. Foi um ______ ______.
The phrase 'grande erro' is the standard way to express a serious mistake in judgment.
Ele ______ um grande erro na reunião.
'Cometer' is the standard collocation for making a mistake in Portuguese.
Amigo: 'Você esqueceu o aniversário da sua mãe?' Você: 'Sim, ______.'
Forgetting a mother's birthday is a serious social blunder, making 'grande erro' appropriate.
🎉 Score: /3
Frequently Asked Questions
10 questionsYes, this is very common and emphasizes the scale even more. It's like saying 'a very big mistake'.
It is neutral. You can use it with friends, but it's also perfectly fine in a business email or a news report.
The opposite would be 'um grande acerto' (a great success/right move).
'Errado' is an adjective meaning 'wrong'. You need the noun 'erro' (mistake) here.
The meaning is the same, but the pronunciation of 'grande' ends in a soft 'de' rather than the Brazilian 'dji'.
You can, but it might sound sarcastic. If you drop a spoon, saying 'foi um grande erro' is a joke.
You can say 'Cometi um erro enorme' or 'Cometi um erro gigantesco'.
90% of the time, yes. If it's after, you're usually talking about the physical size of a mark or a very specific technical scale.
The best verb is 'cometer'. 'Ser' (to be) is also very common: 'Isso foi um grande erro'.
Yes, it's a great way to talk about past failures and what you learned from them.
Related Phrases
erro crasso
specialized formA glaring or obvious mistake.
mancada
synonymA social blunder.
asneira
synonymA foolish mistake.
equívoco
similarA misunderstanding or minor error.
deslize
contrastA small slip or minor mistake.
