Definition of beast noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//biːst//
    ; NAmE NAmE//biːst//
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  1. 1(old-fashioned or formal) an animal, especially one that is large or dangerous, or one that is unusual wild/savage/ferocious beasts mythical beasts such as unicorns and dragons
  2. 2a person who is cruel and whose behaviour is uncontrolled synonym animal
  3. 3(informal, often humorous) an unpleasant person or thing The maths exam was a real beast.
  4. 4(informal) a thing of a particular kind synonym animal His new guitar is a very expensive beast.
  5. Word OriginMiddle English: from Old French beste, based on Latin bestia.Extra examples Local people live in fear of this unknown sex beast. Savage beasts once roamed these forests. Somehow she brought out the beast in him. The beast in her wanted to destroy his house. The princess came face-to-face with a hideous beast. You filthy beast! paintings of mythical beasts the fossilized skeletons of prehistoric beasts He was ripped apart by wild beasts in the forest. The donkey is used as a beast of burden. mythical beasts such as unicorns and dragons
See the Oxford Advanced American Dictionary entry: beast