To show signs of embarrassment or diffidence; to act sheepish or hesitant — often used in negative contexts (e.g., 'shows no shame').
彼は叱られても悪びれた様子はなかった。
He didn't look at all embarrassed even after being scolded.
そんなことを言われて、彼女は少し悪びれた顔をした。
When she was told that, she looked a little embarrassed.
謝罪の言葉にも悪びれることなく、平然と立ち去った。
Without showing any shame at the apology, he calmly walked away.