unreal

adjective

1. not real or actual.
2. imaginary; fanciful; illusory; delusory; fantastic.
3. lacking in truth; not genuine; false; artificial: unreal propaganda serving as news.

adjective

1. imaginary or fanciful or seemingly soan unreal situation
2. having no actual existence or substance
3. insincere or artificial

adj.c.1600, “not real,” from un- (1) “not” + real (adj.). Slang sense of “wonderful, great” is first recorded 1965. Hence horrible shadow, Vnreall mock’ry hence. [“Macbeth,” III.iv.107]