feeling or expressing regret or sorrow or a sense of loss over something done or undone; "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
giving offense to moral sensibilities and injurious to reputation; "scandalous behavior"; "the wicked rascally shameful conduct of the bankrupt"- Thackeray; "the most shocking book of its time"