chirk up

Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.chirk up - become cheerful
exuberate, exult, jubilate, rejoice, triumph - to express great joy; "Who cannot exult in Spring?"
buoy up, lighten up, lighten - become more cheerful; "after a glass of wine, he lightened up a bit"
joy, rejoice - feel happiness or joy
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