| beast | (noun) a living organism characterized by voluntary movement | Synonyms: animal, animate being, brute, creature, fauna |
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| (noun) a cruelly rapacious person | Synonyms: brute, savage, wildcat, wolf |
| beastliness | (noun) unpleasant nastiness; used especially of nasty weather | - |
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| (noun) the quality of being deliberately mean | Synonyms: meanness |
| beastly | (adjective) resembling a beast; showing lack of human sensibility | Synonyms: bestial, brutal, brute, brutish |
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| (adjective) (informal) very unpleasant | Synonyms: god-awful, hellish |
| (adverb) in a beastly manner | - |