Definition of ferocity noun from the Oxford Advanced Learner's Dictionary

 

ferocity

 noun
noun
BrE BrE//fəˈrɒsəti//
 
; NAmE NAmE//fəˈrɑːsəti//
 
[uncountable]
 
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violence; aggressive behaviour The police were shocked by the ferocity of the attack. Word Origin mid 16th cent.: from French, or from Latin ferocitas, from ferox, feroc- ‘fierce’.
See the Oxford Advanced American Dictionary entry: ferocity