Portuguese Phrase
Sim, é muito interessante.
Meaning
The speaker is confirming something and adding that it is very interesting. It’s a concise way to show agreement and enthusiasm at the same time.
When to use
Use this phrase when someone shares an idea, a story, a piece of news, or any information that you find genuinely interesting and you want to affirm it positively.
✦Grammar Breakdown
Simémuitointeressante
Sim
A simple affirmative word meaning “yes”. It can stand alone or start a sentence.
é (ser)
Third‑person singular present of the verb *ser*, used for permanent or defining qualities.
muito
An adverb of intensity meaning “very”. It modifies adjectives and other adverbs.
interessante
An adjective meaning “interesting”. With *ser* it describes an inherent quality of the subject.
🗨In Conversation
Acabei de ler um artigo sobre energia solar no Brasil.
I just read an article about solar energy in Brazil.
Sim, é muito interessante.
Yes, it’s very interesting.
✕Common Mistakes
Sim, está muito interessante.
Use *é* (ser) for permanent qualities; *está* (estar) is for temporary states.
Sim, é interessante muito.
Do not place *muito* after the adjective; it must precede it.
Um sim, é muito interessante.
Avoid adding an unnecessary article before *Sim*; the correct form is just *Sim*.
↔Alternatives
Com certeza, é muito interessante.
Certainly, it’s very interesting.
Claro, é muito interessante.
Of course, it’s very interesting.
Sim, parece muito interessante.
Yes, it seems very interesting.
Cultural Tip
In Brazil and Portugal people often answer with just “Sim” or “Claro”. Adding “é muito interessante” shows extra enthusiasm and is common in informal conversations, classrooms, or when discussing news. In some regions you might hear “É bem interessante” (it’s quite interesting) as a slightly more relaxed alternative.

