How to Say “Siu” in Portuguese

By Kenneth Larry • Updated October 7, 2026

sim

/ˈsĩ/

The Portuguese word for "siu" is sim.

How do you pronounce it?

The pronunciation is /ˈsĩ/.

Did you know?

The word sim is historically linked to the Latin word sīc, which means 'thus' or 'in this manner', rather than just a simple affirmative.
If you are texting in Brazil, typing siu instead of sim can make you sound like you are acting 'cute' or intentionally trailing off your sentence.

Example conversation

Rodrigo asks Juliana if she wants coffee.

Rodrigo

Você quer um café, Juliana?
Do you want a coffee, Juliana?
Juliana

Sim, eu quero!
Yes, I do!
Rodrigo

Com açúcar ou sem?
With sugar or without?
Juliana

Sem açúcar, por favor.
Without sugar, please.

Sources

Pronunciation: Wiktionary entry sim, CC BY-SA 4.0, dump of 2026-09-26.
Word origins: Wiktionary entries sim, CC BY-SA 4.0.

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About The Author

Kenneth Larry

Olá! I'm Kenneth, an language enthusiast deeply in love with the Portuguese language. I channel this passion into tutorial posts that help you communicate effectively in Portuguese, ranging from the mundane ("How to Say Burger") to the enamoured ("How to Say Good Night My Dear"). I believe in embracing the culture behind a language ("How to Say Embrace"), not just its words. Até logo!

Kenneth LarryHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.

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