(adjective)
set in a world or time period of the future, often entailing the presence of menacing and/or advanced technology, used to describe media like books or movies;
e.g. The futuristic movie describes a world that has been invaded by aliens.
(adjective)
in old usage, relating to or characterized by Futurism, a social and artistic movement in 20th century Italy that emphasized youth, speed, violence, and technology (used as "Futuristic");
e.g. There was a Futuristic painting hanging on the wall.