1. to laugh very loudly and heartily; to express intense amusement with unrestrained vocalization
The audience roared with laughter at the comedian's joke.
A plateia gargalhou com a piada do comediante.
2. to laugh in a way that is boisterous and uncontrolled, often in a group setting
They roared with laughter when they saw the funny video.
Eles gargalharam quando viram o vídeo engraçado.