roaring /ˈɹɔːɹɪŋ/adjective 2noun 2forms 1 adjective2 •Very successful; lively.The ice-cream sellers did a roaring trade in the midday heat. •(informal) Intensive; extreme. noun2 •A loud, deep, prolonged sound, as of a large beast; a roar.[…] those wild eyes that watch the wave In roarings round the coral reef. — 1850 •An affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion. formsroarings