guffaw
laugh loudly

But they only laughed loudly and went out of the cave.

A man next to her whispered something, and a girl laughed loudly.

Loudly laughed the dragon when he saw what she was doing.

The women were talking intensely, sometimes laughing loudly, then getting serious again.

Then he told the others all that had happened, and they laughed loudly.

The most daring of them, the one who talked to me first, laughed loudly.

Wilson laughed loudly on the other end of the line.

She also remembered laughing loudly when he'd told her about it.

Conrad let his head fall back and he laughed loudly.

At this they laughed loudly, and that answered the question.