perk up
Britishverb
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to make or become more cheerful, hopeful, or lively
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to rise or cause to rise briskly
the dog's ears perked up
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(tr) to make smarter in appearance
she perked up her outfit with a bright scarf
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slang (intr) to vomit
Etymology
Origin of perk up
C14 perk, perhaps from Norman French perquer; see perch 1
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.