I. “+ adjective
Etymology: Late Latin impaenitent-, impaenitens, from Latin in- in- (I) + paenitent-, paenitens penitent — more at penitent
: not penitent : not repenting of sin : not contrite
• im·penitently “+ adverb
• im·penitentness “+ noun -es
II. noun
: one that is impenitent