shack up shack bait • shackanite · · · Info · Definitions · Synonyms · Characters · · shack up · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (verb) share living quarters; usually said of people who are not married and live together as a couple. Synonyms: cohabit, live together, shack up. · · Verb Definition 1 Synonyms · · · cohabit · · Synonym 1 live together · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 k latin small letter k U+006B p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075