perk up — become more cheerful
phrasal verbB1common
to suddenly become happier or more lively, or to make someone feel that way
Pattern: perk up / perk someone up
In use
- She really perked up once her mates arrived.emotions
- A cup of tea and a sit-down will perk you up.emotions
Common mistake
Using it for long-term recovery; it's about a quick lift in mood.