His heard a continuous roar and he looked around to find the source.

It was a continuous, booming roar, without even a moment's pause between the individual crashes of sound.

As he left the elevator Luke met the usual continuous roar.

This time the firing range exploded, with a continuous roar of lead through the air.

It was impossible to hear or be heard over the nearly continuous roar of the thunder, so she didn't even try to speak to him.

Wind and water made a continuous roar; it was hard to hear, everything had to be shouted.

They could hear a continuous roar and boom of flames.

From above us came the continuous roar of traffic on the elevated highway.

Dimly he could hear a continuous roar from the spectators.

Marines had been moved in, sound, of their weapons was a continuous roar.