in a seraphic manner; with angelic purity.

(biblical) A six-winged angel; the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. They are the 5th highest order of angels in Jewish angelology. A detailed description can be found at the beginning of Isaiah chapter 6

Of or relating to a seraph or the seraphim. / Pure and sublime; angelic.

plural of seraph

(archaic) Seraphic: of or relating to a seraph or the seraphim; (by extension) pure and sublime.

The quality of being seraphic.