unapologetic
/ˌʌnəpɒləˈdʒɛtɪk
/adjective
Not acknowledging or expressing regret: he remained unapologetic about his decision...
- We are unswerving and unapologetic about our commitment to saving our native species.
- For a card-carrying liberal, I was surprisingly unapologetic about our decision.
- Plus, they were completely unapologetic and even threatening towards us from beginning to end!