Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Verb: perk up
  1. Cause to be alert and energetic
    "she will perk up after a coffee";
    - stimulate, arouse, brace, energize, energise [Brit], stir
     
  2. Gain or regain energy
    "After his morning coffee, he perked up considerably";
    - perk, percolate [N. Amer, informal], pick up, gain vigor [US], gain vigour [Brit, Cdn]

Derived forms: perks up, perked up, perking up

Type of: affect, convalesce, recover, recuperate

Antonym: calm