"unregenerate" in the adjective sense
1. stubborn, obstinate, unregenerate
tenaciously unwilling or marked by tenacious unwillingness to yield
2. unregenerate, unregenerated
not reformed morally or spiritually
"unregenerate human nature"
"unregenerate conservatism"
3. unreformable, unregenerate
unrepentant and incapable of being reformed
"an unregenerate criminal"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License