perk up meaning and definition

PERK UP verb

Definition of perk up (verb)

1. gain or regain energy
   • "I picked up after a nap"
   • synonyms: gain vigor, percolate, perk, pick up
2. cause to be alert and energetic
   • "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"
   • synonyms: arouse, brace, energise, energize, stimulate
   • antonym: calm