1. phrasal verb
If a place or event livens up, or if something livens it up, it becomes more interesting and exciting.
[V n P] ⇒ How could we decorate the room to liven it up?
[V P n] ⇒ The multicoloured rag rug was chosen to liven up the grey carpet.
[V P] ⇒ The arena livens up only on Saturdays and Sundays when a flea market is open there.
2. phrasal verb
→ liven If people liven up, or if something livens them up, they become more cheerful and energetic.
[V n P] ⇒ Talking about her daughters livens her up.
[V P] ⇒ George livens up after midnight, relaxing a little.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers