Regret/
Remorse
He wished he could turn back time, but he knew it was just wishful thinking.
I could barely look anyone in the eye.
He bit his lower lip as he tearfully apologised for his wilful actions.
I hung my head in shame and apologised profusely.
Shame weighed heavily on my heart.
She was guilt-stricken over her wilfulness.
I was overcome with regret over what I had done.
Overwhelmed by my guilty conscience, I…
Bitter tears of self-reproach rolled down my cheeks
Words were inadequate to express how guilty Jane and I felt for keeping such a big secret from our parents.