Each was trying to outroar the other.
"A Diversity of Creatures" by Rudyard Kipling
If he could outroar his opponent, he always considered the victory as his.
"The Rules of the Game" by Stewart Edward White
Joshua could outroar Bottom the weaver by two or three miles.
"Bible Romances" by George W. Foote
The thunder peals from Sugar Loaf and Corcovado at times outroared those of the guns.
"With the Battle Fleet" by Franklin Matthews