WordNet sense 1 (a deep prolonged loud noise):

boom, roar, thunder

WordNet sense 2 (a very loud utterance (like the sound of an animal)):

bellow, holler, yowl, bellowing, holla, hollering, hollo, holloa

WordNet sense 3 (very lively and profitable):

booming, palmy, prosperous, thriving, flourishing, prospering

WordNet sense 4 (having succeeded or being marked by a favorable outcome):

successful

WordNet sense 5 (loud enough to cause (temporary) hearing loss):

deafening, earsplitting, thunderous, thundery