adj 1: very lively and profitable; "flourishing businesses"; "a
palmy time for stockbrokers"; "a prosperous new
business"; "doing a roaring trade"; "a thriving
tourist center"; "did a thriving business in orchids"
2: loud enough to cause (temporary) hearing loss [syn: deafening
n 1: a deep prolonged loud noise [syn: boom
2: a very loud utterance (like the sound of an animal); "his
bellow filled the hallway" [syn: bellow
adv : extremely; "roaring drunk"