WordWeb Online

1. Of or relating to the sky or heavens
   "the empyrean sphere";
   - empyreal
    
2. Inspiring awe
   "empyrean aplomb";
   - empyreal, sublime

1. The apparent surface of the imaginary sphere on which celestial bodies appear to be projected
   - celestial sphere, sphere, firmament, heavens, vault of heaven, welkin

Derived forms: empyreans

See also: glorious

Type of: surface

Encyclopedia: Empyrean