unregenerate
adjective(un-re-gen-er-ate)
unrepentant and incapable of being reformed
Examples:
An unregenerate criminal.
unregenerate
adjective(un-re-gen-er-ate)
tenaciously unwilling or marked by tenacious unwillingness to yield
unregenerate
adjective(un-re-gen-er-ate)
not reformed morally or spiritually
Examples:
Unregenerate human nature.
Unregenerate conservatism.