To speak or say very loudly or with a shout
To express great amusement or mirth
To make an earsplitting explosive noise
A loud, deep, prolonged sound
An earsplitting, explosive noise
The roar of guns sounded more distinct outside.
The distant roar didn't register until the jets were overhead.
The roar of the earth grew louder.
A roar of batteries answered from the shore.
Suddenly, the cold roar of the wind gave way to warmth and quiet.