definition of
roar

[1] #1 roar v. [howl] make a loud noise, as of wind, water, or vehicles; "The wind was howling in the trees"; "The water roared down the chute". wn

[2] #2 roar n. [boom, roaring, thunder] a deep prolonged loud noise. wn

[3] #3 roar v. [thunder] utter words loudly and forcefully; "'Get out of here. wn

[4] #4 roar v. [howl, ululate, wail, yawl, yaup] emit long loud cries; "wail in self-pity"; "howl with sorrow". wn

[5] #5 roar n. [bellow, bellowing, holla, holler, hollering, hollo, holloa, roaring, yowl] a very loud utterance (like the sound of an animal); "his bellow filled the hallway". wn