empyrean empyrean /ɛmˈpɪriən/

adjective

1. Inspiring awe  ( empyreal , empyrean , sublime )
   inspiring awe
    Well-meaning ineptitude that rises to empyreal absurdity
   well-meaning ineptitude that rises to empyreal absurdity
    Empyrean aplomb
   empyrean aplomb
    The sublime beauty of the night
   the sublime beauty of the night
   
2. Of or relating to the sky or heavens  ( empyreal , empyrean )
   of or relating to the sky or heavens
    The empyrean sphere
   the empyrean sphere
   

noun

1. The apparent surface of the imaginary sphere on which celestial bodies appear to be projected  ( celestial sphere , empyrean , firmament , heavens , sphere , vault of heaven , welkin )
   the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
    On a clear night, one can gaze at the heavens and see countless stars.
   On a clear night, one can gaze at the heavens and see countless stars.