Jetsonian UK /d͡ʒɛtˈsəʊ.ni.ən/US /d͡ʒɛtˈsoʊ.ni.ən/ adjective1 •Futuristic in an outlandish or unconventional mannerWhile no one can say exactly how we will get from the current moment to that Jetsonian future, one thing for sure can be said about location-awareness: maps are required. — 2013 formsmore Jetsonian · most Jetsonian