chirk up chirk • chirm · · · Info · Definitions · Synonyms · Characters · · chirk up · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (verb) become cheerful. Synonyms: cheer, cheer up, chirk up. · · Verb Definition 1 Synonyms · · · cheer · · Synonym 1 cheer up · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075