Noun
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the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
- celestial sphere - vault of heaven
Adjective
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inspiring awe
"well-meaning ineptitude that rises to empyreal absurdity"- M.S.Dworkin
"empyrean aplomb"- Hamilton Basso
"the sublime beauty of the night"
-
of or relating to the sky or heavens
"the empyrean sphere"