empyrean /ɛmˌpaɪˈɹiːn̩/adjective 2noun 1forms 1 adjective2 •Of the sky or the heavens, and particularly relating to the highest celestial sphere in premodern cosmology; celestially refined.In th' Empyrean Heaven, (the bless'd Abode) / The Thrones and the Dominions prostrate lie, / Not daring to behold their angry God: / And an hush'd silence damps the tuneful sky. — 1667 •French: empyréen (fr) noun1 •(historical) The highest heaven, supposed by the ancients to be a region of pure light and fire or else composed of ether, and sometimes seen as the dwelling-place of God or other divine beings; the highest celestial sphere according to ancient and medieval astronomy.So sung they, and the Empyrean rung, With Halleluiahs: […] — 1674 formsempyreans