Unapologetic

Sami is very unapologetic in real life.

Sami is so unapologetic.

Sami was direct and unapologetic about his opinions.

Tom was unapologetic.

Alberto was very combative and unapologetic.

Friends and acquaintances have tried to curb Miroslav's habit of cursing profusely by pointing out its impact, but he remains unapologetic and resistant to change.