Adjectives

(a)unreallacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria“ghosts and other unreal entities”, “unreal propaganda serving as news”
(a)unrealnot actually such; being or seeming fanciful or imaginary“this conversation is getting more and more unreal”, “the fantastically unreal world of government bureaucracy”, “the unreal world of advertising art”
(a)artificial, unrealcontrived by art rather than nature“artificial flowers”, “artificial flavoring”, “an artificial diamond”, “artificial fibers”, “artificial sweeteners”
(a)insubstantial, unsubstantial, unreallacking material form or substance; unreal“as insubstantial as a dream”, “an insubstantial mirage on the horizon”