As adjectives the difference between unprincipled and unrepentant
is that unprincipled is lacking moral values while unrepentant is feeling or showing no sorrow for wrongdoing.
unprincipled
English
Synonyms
*licentious, immoral
Related terms
*principled
*principle
References
*Oxford English Dictionary
unrepentant
English
Adjective
(-)
Feeling or showing no (l) for (l).
Antonyms
* (l)