beastly

(adjective, adverb)

adjective

1. (informal) very unpleasant

Similar word(s): unpleasant, hellish

2. resembling a beast; showing lack of human sensibility

- beastly desires

Similar word(s): inhumane, bestial, brutal, brute, brutish

Sentences with beastly as an adjective:

- beastly weather

adverb

1. in a beastly manner

- she behaved beastly toward her mother-in-law