Resentful/rɪˈzentfl/ Definition 1 of 1Pro Tip 1/3Emotional weight Resentful carries a strong emotional charge, often linked to a sense of injustice. She felt resentful after being overlooked for the promotion again. Pro Tip 2/3Long-lasting feeling Resentfulness can linger for a long time, showing deep-seated frustration or anger. He remained resentful years after the dispute. Pro Tip 3/3Subtle expression The feeling of resentfulness isn't always shown openly; it can be hidden or suppressed. Her smile hid the resentful thoughts she harbored.