ferociousness ferociously • ferocity · · · Info · Definitions · Synonyms · Characters · · ferociousness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) the trait of extreme cruelty. Synonyms: brutality, viciousness, savagery. · · Noun Definition 1 Synonyms · · · brutality · · Synonym 1 viciousness · · Synonym 2 savagery · · Synonym 3 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075