UNREGRETFUL
Meaning of UNREGRETFUL in English
adjective
Synonyms: remorseless , impenitent, regretless, uncontrite, unremorseful, unrepentant, unsorry
Antonyms: regretful
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003