chum up Chumulu • chun · · · Info · Definitions · Synonyms · Characters · · chum up · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (verb) become friends; act friendly towards. Synonyms: pal, pal up, chum up. · · Verb Definition 1 Synonyms · · · pal · · Synonym 1 pal up · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 h latin small letter h U+0068 m latin small letter m U+006D p latin small letter p U+0070 u latin small letter u U+0075