#1 roaring n. [boom, roar, thunder] a deep prolonged loud noise. wn
#2 roaring s. [booming, flourishing, palmy, prospering, prosperous, thriving] 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". wn
#3 roaring r. extremely; "roaring drunk". wn
#4 roaring n. [bellow, bellowing, holla, holler, hollering, hollo, holloa, roar, yowl] a very loud utterance (like the sound of an animal); "his bellow filled the hallway". wn
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