unreal lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria; "ghosts and other unreal entities"; "unreal propaganda serving as news"
fabulous -
barely credible; "the fabulous endurance of a marathon runner"
incredible,
unbelievable beyond belief or understanding; "at incredible speed"; "the book's plot is simply incredible"
fabulous -
extremely pleasing; "a fabulous vacation"
