1. bellow, bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl, cry, outcry, call, yell, shout, vociferation

usage: a very loud utterance (like the sound of an animal); "his bellow filled the hallway"


1. bawl, bellow, shout

usage: shout loudly and without restraint

2. bellow, roar, utter, emit, let out, let loose

usage: make a loud noise, as of animal; "The bull bellowed"

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