Definition of roaring adjective from the Oxford Advanced Learner's Dictionary

     

    roaring

     adjective
    adjective
    BrE BrE//ˈrɔːrɪŋ//
     
    ; NAmE NAmE//ˈrɔːrɪŋ//
     
    [only before noun]
     
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  1. 1making a continuous loud deep noise All we could hear was the sound of roaring water.
  2. 2(of a fire) burning with a lot of flames and heat There was a roaring fire was in the grate, piled high with logs.
  3. Idioms
    do a roaring trade (in something)
     
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    (informal) to sell a lot of something very quickly The ice-cream vendors were doing a roaring trade.
    extremely drunk and noisy He rolled home roaring drunk at 3 o’clock in the morning. (informal) a very great success The latest Disneyland has been a roaring success.
See the Oxford Advanced American Dictionary entry: roaring