Source : Webster's Revised Unabridged Dictionary (1913)

Unregenerate \Un`re*gen"er*ate\, Unregenerated
\Un`re*gen"er*a`ted\, a.
   Not regenerated; not renewed in heart; remaining or being at
   enmity with God.

Source : WordNet®

unregenerated
     adj : not regenerate or reformed; "unregenerate human nature";
           "unregenerate conservatism" [syn: {unregenerate}] [ant:
            {regenerate}]