jack up jack truss • jack william nicklaus · · · Info · Definitions · Synonyms · Characters · · jack up · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (verb) lift with a special device. Synonyms: jack, jack up. Example: "Jack up the car so you can change the tire." · · Verb Definition 1 Synonyms · · · jack · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 j latin small letter j U+006A k latin small letter k U+006B p latin small letter p U+0070 u latin small letter u U+0075