Definition of shameful

• (used of conduct or character) deserving or bringing disgrace or shame; "Man...has written one of his blackest records as a destroyer on the oceanic islands"- Rachel Carson; "an ignominious retreat"; "inglorious defeat"; "an opprobrious monument to human greed"; "a shameful display of cowardice"
• 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"