roaring

Short definition from Wiktionary

Adjective

1. 1
   Intensive; extreme.
2. 2
   Very successful; lively.

Verb

1. 1
   present participle and gerund of roar

Noun

1. 1
   A loud, deep, prolonged sound, as of a large beast; a roar.
2. 2
   An affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion.