Definition of ferocious adjective from the Oxford Advanced American Dictionary

     

    ferocious

     adjective
    adjective
    NAmE//fəˈroʊʃəs//
     
     
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  1. 1very aggressive or violent; very strong synonym savage
  2. 2 a ferocious beast/attack/storm a man driven by ferocious determination ferocious opposition to the plan
ferociously
 
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adverb growling ferociously
See the Oxford Advanced Learner's Dictionary entry: ferocious