Impious is a related term of unrepentant.
As adjectives the difference between impious and unrepentant
is that impious is not pious while unrepentant is feeling or showing no (l) for (l).
impious
English
Adjective
(
en adjective)
not pious
lacking reverence or respect, especially towards a god
unrepentant
English
Adjective
(-)
Feeling or showing no (l) for (l).
Antonyms
* (l)