aroar

[…] scarcely five minutes had passed since Captain Ransome’s guns had broken the truce of doubt before the whole region was aroar: the enemy had attacked nearly everywhere.

1893, Ambrose Bierce, “One Kind of Officer”, in Tales of Soldiers and Civilians, and Other Stories, page 90

The great room, ordinarily aroar with life, was still and gloomy as a tomb.

1903, Jack London, “Too Much Gold”, in The Faith of Men, and Other Stories, New York: Macmillan, page 105

A ground swell set in; the beach was aroar with incoming waves;

1956, Yukio Mishima, chapter 8, in Meredith Weatherby, transl., The Sound of Waves, Tokyo: Charles E. Tuttle, page 64