Shameful/ˈʃeɪmfl/ Definition 1 of 3Pro Tip 1/3Contextual Sensitivity Use 'shameful' to express strong disapproval, often when moral expectations are not met. His betrayal of trust was a shameful decision. Pro Tip 2/3Negative Emphasis 'Shameful' adds a layer of judgment and highlights the negative aspect of the action. Cheating on the test was a shameful choice. Pro Tip 3/3Emotional Impact Using 'shameful' can evoke feelings of guilt or regret in the person responsible for the action. He felt shameful after lying to his friends.