Translation

恥じない / 悪びれない / 堂々とした

Meaning

Unabashed means not embarrassed, not ashamed, and openly willing to show what you feel or want. It can sound admiring when someone is honest, or critical when someone is too shameless.

Examples

• 彼女は堂々とした笑顔で自分の成功を語りました。
  She spoke about her success with unabashed pride.
• 彼は悪びれずにその計画を自分の手柄だと言いました。
  He made an unabashed claim that the plan was his idea.