The Falando Atlas of Brazilian Portuguese
semáforo, farol or sinaleira — semáforo (nationwide); farol (São Paulo); sinaleira (the South, Rio Grande do Sul, the Northeast).
Approximate. Usage varies by age, social group and context; a word can be heard outside the highlighted area.
Brazil has no single everyday word for a traffic light, which catches out learners who only ever met semáforo — the standard term, used in writing and by traffic authorities.
In São Paulo people say farol, a sense Priberam explicitly marks "[Brasil: São Paulo]", though the same word means a lighthouse or a headlight everywhere else.
Sinaleira is the interesting one. It is widely known as a Southern word, and that is how our own vocabulary had it tagged — but Priberam labels it "[Brasil: Nordeste]". Rather than pick a winner we show both, weighted by what each source supports. It is a fair warning about how these maps should be read: a dictionary label is a summary of a fuzzier reality, not a border.
When in doubt, semáforo is understood everywhere.
traffic light
The standard, nationwide term for a traffic light, and the one used in writing and by the authorities. In everyday speech many Brazilians use a regional word instead.
O semáforo ficou vermelho na hora errada.The traffic light turned red at the wrong time.
Understood everywhere in Brazil.
headlight, lighthouse, traffic light
Everywhere in Brazil farol means a lighthouse or a car headlight. Its use for a traffic light is regionally marked: Priberam labels that sense "[Brasil: São Paulo]", and it is what paulistanos say day to day.
O carro parou porque o farol estava vermelho.The car stopped because the traffic light was red.
traffic light
One of the classic regional names for a traffic light, alongside semáforo (standard), sinal (Rio) and farol (São Paulo). It is ordinary everyday vocabulary, not slang, wherever it is used.
Para na sinaleira.Stop at the traffic light.
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