perk up

US /pɜːrk ʌp/
UK /pɜːrk ʌp/
"perk up" picture
1.

to become more cheerful, lively, or energetic

:
•
She started to perk up when she heard the good news.
•
A cup of coffee always helps me perk up in the morning.
:
cheer upbrighten upliven upreviverecover
2.

to raise one's head or ears, typically in a quick or alert manner

:
•
The dog's ears perked up at the sound of the doorbell.
•
He perked up his head, listening intently to the conversation.
:
cockraiselift
:
on the up and upupup tocome up withfollow upkeep up withlook up to