1. to laugh in a loud, genuine, and unrestrained manner with full enjoyment
She laughed heartily at the comedian's jokes.
Ela riu de todo o coração com as piadas do comediante.
2. to express amusement or mirth in a wholehearted and enthusiastic way
The children laughed heartily as they played in the park.
As crianças riram de todo o coração enquanto brincavam no parque.