1. perk_up - verb
· gain or regain energy; "I picked up after a nap"
Synonym(s): perk, percolate, pick_up, gain_vigor
Hypernym(s): recuperate, recover, convalesce
2. perk_up - verb
· cause to be alert and energetic; "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"
Synonym(s): stimulate, arouse, brace, energize, energise
Hypernym(s): affect
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