Short answer: "thank you" in Portuguese is Obrigado, or Obrigada depending on the situation.
Obrigado, the core translation
The default way to say "thank you" in Portuguese is Obrigado. Pronounced roughly oh-bree-GAH-doo.
When Portuguese speakers actually use it
Men say "obrigado", women say "obrigada". It's about the speaker, not the listener.
Alternative: Obrigada
Obrigada is the other option Portuguese speakers reach for in this situation. It's not a synonym so much as a register shift, use the one that matches who you're talking to.
Practice this in a real Portuguese conversation
Reading a phrase and saying it out loud are two different skills. Skala's AI conversations let you drop "Obrigado" into a real Portuguese exchange in your first 3-minute lesson, so it sticks the first time.
Start learning Portuguese today
Skala is free on iOS and Android. One 3-minute Portuguese lesson gets you your first 0.1%. Show up daily and the % climbs. That's the whole method.
FAQ
What's the most polite way to say "thank you" in Portuguese?
Both Obrigado and Obrigada are polite. Pick based on who you're talking to: register, not translation, is what natives are tuning into.
How do I pronounce Obrigado?
Roughly oh-bree-GAH-doo. Recording yourself once and comparing to a native audio inside Skala closes the gap faster than reading pronunciation guides.