Noun

• S: (n) beast, wolf, savage, brute, wildcat (a cruelly rapacious person)
• S: (n) animal, animate being, beast, brute, creature, fauna (a living organism characterized by voluntary movement)
• direct hyponym / full hyponym
• part meronym
• member holonym
• domain term category
• substance meronym
• direct hypernym / inherited hypernym / sister term
• derivationally related form

Adjective

• S: (adj) beastly, bestial, brute, brutish, brutal (resembling a beast; showing lack of human sensibility) "beastly desires"; "a bestial nature"; "brute force"; "a dull and brutish man"; "bestial treatment of prisoners"