unreal in WordNet English dictionary

1. contrived by art rather than nature
   "artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners"
   artificial  unreal 
   
2. lacking material form or substance; unreal
   "as insubstantial as a dream"; "an insubstantial mirage on the horizon"
   insubstantial  unsubstantial  unreal 
   
3. lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
   "ghosts and other unreal entities"; "unreal propaganda serving as news"
   unreal 
   
4. not 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"
   unreal