Synonyms and antonyms of Not sorry in British Thesaurus

remorseless (adjective)

not feeling sad or guilty for having done something wrong

clear (adjective)

not affected by guilty feelings

unrepentant (adjective)

formal not sorry for something bad that you have done

unapologetic (adjective)

showing that you do not think you have done something wrong, or that you do not think you need to apologize

impenitent (adjective)

very formal not sorry for the bad things you have done