Supersorry

Full definition of supersorry

Adjective

1. (informal) Extremely sorry.
• 2012, Jason Myers, Run the Game, p. 260:I told her I was supersorry and that it was really dumb.
• 2006, Marie Ferrarella, The Woman Who Wasn't There, p. 58:If she had a choice between being supercautious or supersorry, she'd pick cautious every time.
• 2002, Sandro Meallet, Edgewater Angels: A Novel, p. 3:To top it off, Tom-Su sported a rope instead of a belt, definitely nailing down the supersorry look.