Définitions
1.AdjectiveIntensive; extreme.
2.AdjectiveVery successful; lively."The ice-cream sellers did a roaring trade in the midday heat."
3.Verbpresent participle and gerund of roar
4.NounA loud, deep, prolonged sound, as of a large beast; a roar.
5.NounAn affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion.