UNREGENERATE
unreformable, unregenerate
(adjective) unrepentant and incapable of being reformed; “an unregenerate criminal”
unregenerate, unregenerated
(adjective) not reformed morally or spiritually; “unregenerate human nature”; “unregenerate conservatism”
stubborn, obstinate, unregenerate
(adjective) tenaciously unwilling or marked by tenacious unwillingness to yield
Source: WordNet® 3.1
Etymology
Adjective
unregenerate (comparative more unregenerate, superlative most unregenerate)
which cannot be transformed in mind and spirit
stubborn
Source: Wiktionary
Un`re*gen"er*ate, Un`re*gen"er*a`ted, a.
Definition: Not regenerated; not renewed in heart; remaining or being at
enmity with God.
Source: Webster’s Unabridged Dictionary 1913 Edition