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WordNet-Online 
 Definitions from WordNet
Noun ferociousness has 1 sense 
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| Definitions from the WebFerociousnessDefinitionNoun: The quality or state of being ferocious; extreme savagery or fierceness. Senses
 Usage Examples
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| fernlike ferns ferns and bomboo ferny fero ferocactus ferocious ferociously ferociousness ferocity ferociusly ferole feromones feroshes ferosious ferosity ferosity 
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