na-adjective, noun
Describes wild animals, people, or behavior that is violently aggressive and cruel. Often used in literary or dramatic contexts.
その獰猛な犬は通行人に吠えかかった。
The ferocious dog barked at the passerby.
彼の獰猛な性格のせいで友達が少
He has few friends because of his fierce personality.
Search-only form; 獰 is replaced by kana for ease of input.
獰 (fierce, wild) + 猛 (fierce, violent). Both kanji reinforce the meaning of ferocity.