1. a large or dangerous four-footed animal
2. a cruel, savage, or inhuman person
3. something that is difficult to deal with or control
Usage: informal

Examples

• The lion is a powerful beast of the African savanna.
• Wild beasts roamed the ancient forests.
• He turned into a real beast when he got angry.
• Don’t be such a beast to your little sister.
• This old computer is a real beast to operate.
• The math test was an absolute beast.
• Beasts of burden carried supplies up the mountain.