Liberal Dictionary English Dictionary
adjective
- not feeling regret about one’s sin or sins; obdurate.
adjective
- not sorry or penitent; unrepentant
1620s, from Latin impaenitentia, from impaenitens (see impenitent). Impenitency is from 1560s.
early 15c., from Latin impaenitentem, from assimilated form of in- “not, opposite of” (see in- (1)) + paenitens (see penitence).