Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun beast

2 senses of beast

Sense 1
animal, animate being, beast, brute, creature, fauna -- (a living organism characterized by voluntary movement)
       => organism, being -- (a living thing that has (or can develop) the ability to act or function independently)

Sense 2
beast, wolf, savage, brute, wildcat -- (a cruelly rapacious person)
       => attacker, aggressor, assailant, assaulter -- (someone who attacks)