roar ‧ ing /ˈrɔːrɪŋ/ BrE AmE adjective
1 . [only before noun] making a deep, very loud, continuous noise:
the roaring wind and waves
2 . roaring fire a fire that burns with a lot of flames and heat
3 . do a roaring trade (in something) British English informal to sell a lot of something very quickly:
The stallholders were doing a roaring trade in burgers.
4 . be a roaring success British English informal to be extremely successful:
The new musical has been a roaring success.
5 . roaring drunk British English informal very drunk and noisy