[syn: empyreal, empyrean, sublime]
The Collaborative International Dictionary of English v.0.48:
Empyreal \Em*pyr"e*al\, a. [L. empyrius, empyreus, fiery, Gr. ?,
   ?, in fire, fiery; ? in + ? fire. See In, and Fire.]
   Formed of pure fire or light; refined beyond a["e]rial
   substance; pertaining to the highest and purest region of
   heaven.
   [1913 Webster]
         Go, soar with Plato to the empyreal sphere. --Pope.
   [1913 Webster]
   Empyreal air, oxygen gas.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Empyreal \Em*pyr"e*al\, n.
   Empyrean. --Mrs. Browning.
   [1913 Webster]
WordNet (r) 3.0 (2006):
empyreal
    adj 1: of or relating to the sky or heavens; "the empyrean
           sphere" [syn: empyrean, empyreal]
    2: inspiring awe; "well-meaning ineptitude that rises to
       empyreal absurdity"- M.S.Dworkin; "empyrean aplomb"- Hamilton
       Basso; "the sublime beauty of the night" [syn: empyreal,
       empyrean, sublime]