Synonyms of 'unrepentant'
impenitentDictionary, shameless, incorrigibleShe was unrepentant about her strong language and abrasive remarks.
Farewell, remorse! All good to me is lost;
Evil, be thou my good – Paradise Lost]
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A callous person or action is very cruel and shows no concern for other people or their feelings.
a callous and brutal attack on an old man
If you describe someone as shameless, you mean that they should be ashamed of their behaviour, which is unacceptable to other people.
a shameless hustler and dealer in stolen goods
Thesaurus for unrepentant from the Collins English Thesaurus
If you are unrepentant , you are not ashamed of your beliefs or actions.