Claro

You can use it as a standalone answer. Someone asks if you want coffee? Just say Claro!. You can also use it to start a sentence. Try Claro que sim for a stronger 'of course.' It is short, punchy, and easy to pronounce. Just remember to stress the first syllable: CLA-ro.

Use it whenever you want to say 'yes' with more energy. It works at a restaurant when the waiter asks to take your plate. It works when a friend asks for a favor. Use it in business meetings to show you follow the logic. It is perfect for texting when a simple 'sim' feels too dry. It makes you sound more like a local and less like a textbook.

Avoid it if the answer should actually be a surprise. If someone asks 'Are you getting married?' and you say Claro, it sounds like they should have known. It can sound a bit sarcastic if your tone is flat. Don't use it for very solemn or tragic news. If someone says 'I am sad,' responding with Claro is a one-way ticket to an argument. Keep it for positive or logical confirmations.

Portuguese speakers value warmth and connection in conversation. Using Claro adds a layer of 'we are in this together' to the talk. It has been the standard way to agree for centuries. It reflects the sunny, open nature of the culture. In Portugal and Brazil, it is equally popular. It is the verbal equivalent of a friendly nod and a smile.

You will often hear Claro que sim (Of course yes). Or the opposite, Claro que não (Of course not). In Brazil, you might hear Com certeza for even more emphasis. In Portugal, people sometimes add Pois before it: Pois, claro. If you want to be extra casual, try Clarinha with friends, though that is rarer. Stick to the classic Claro and you will never go wrong.