1. The collective sounds and noises produced by traffic, people, and activities occurring on a street or in a public urban area
The barulho de rua outside kept me awake all night.
O barulho de rua lá fora me manteve acordado a noite toda.
2. Ambient urban noise characterized by commotion, voices, vehicles, and general bustling activity
You can hear the barulho de rua from the apartment window.
Você pode ouvir o barulho de rua pela janela do apartamento.