Portuguese Phrase
Sim, concordo completamente.
Meaning
The speaker is giving a strong, unequivocal agreement with what has just been said. The addition of *completamente* emphasizes that there is no doubt or reservation.
When to use
Use this phrase in both formal and informal settings—meetings, classroom discussions, debates, or casual conversation—when you want to signal total agreement with a statement, proposal, or opinion.
✦Grammar Breakdown
Sim,concordocompletamente.
Sim
An affirmative particle meaning 'yes'. It can stand alone or precede a statement to show agreement.
concordo
First‑person singular present of the verb *concordar* (to agree). The subject pronoun *eu* is usually omitted in Portuguese.
completamente
An adverb meaning 'completely' or 'entirely', used to intensify the verb.
🗨In Conversation
Acredito que a nova política de sustentabilidade vai reduzir nossos custos a longo prazo.
I believe the new sustainability policy will reduce our costs in the long run.
Sim, concordo completamente.
Yes, I completely agree.
✕Common Mistakes
Sim, concordo completament.
The adverb must be written with the final -e: *completamente*.
Sim, eu concordo completamente.
The subject pronoun *eu* is redundant because the verb ending already indicates the subject.
Sim, concordo completo.
Use the adverb *completamente*, not the adjective *completo*, which would change the meaning.
↔Alternatives
Claro, concordo totalmente.
Of course, I totally agree.
Com certeza, estou de acordo.
Certainly, I’m in agreement.
Sem dúvida, concordo plenamente.
No doubt, I agree fully.
Cultural Tip
In Portuguese‑speaking cultures, showing agreement with a brief affirmation (*sim*) followed by an adverb is common and considered polite. In more formal contexts, you might replace *sim* with *concordo* alone or add *de fato* for extra emphasis. Avoid over‑using the phrase in written essays; a single, well‑placed agreement is usually enough.