1. Any non-human animal, esp. a land-living mammal
   "The national park has a variety of fearsome beasts";
   - animal, creature, brute
    
2. A cruelly rapacious person
   "The dictator was a beast, showing no mercy to his opponents";
   - wolf, savage, brute, wildcat [informal]
    
3. Something large and impressive, esp. when difficult or unpleasant to manage
   "The new supercomputer was a beast, capable of processing enormous amounts of data"
    
4. A particular kind of person or thing
   "he's a strange beast";
   - animal

Derived forms: beasts

Type of: aggressor, assailant, assailer, assaulter, attacker

Encyclopedia: Beast