
Brazen
No Remorse
Use 'brazen' when someone acts unapologetically, without regret for behavior others might find unacceptable. 
Negative Connotation
'Brazen' often carries a negative connotation, suggesting impudence or disrespect in bold behavior. 
Cultural Sensitivity
In some cultures, 'brazen' behavior may be especially frowned upon, so be mindful of context. 