BEAST

[noun] [C] - a wild animal, or (informal) an unpleasant, annoying or cruel personLying in their tent, they could hear the noises of wild beasts moving about in the darkness outside.The room wasn't fit for man or beast.(informal) Her children are horrible little beasts.(informal) He used to beat her and threaten her - he was a real beast to her.(informal) Don't do that, you beast! [as form of address](informal) Money brings out the beast in her (= shows the unpleasant side of her).(literary) A beast of burden is an animal such as a donkey or an ox which is used to carry or pull things.