Gleeful/ˈɡliːfl/ Definition 1 of 1Pro Tip 1/3Positive Emotion Use 'gleeful' to describe situations with a strong, positive emotional impact. He was gleeful after receiving his university acceptance letter. Pro Tip 2/3Informal Contexts 'Gleeful' is often used in casual, informal settings rather than in serious or formal contexts. They were gleeful at the surprise birthday party. Pro Tip 3/3Intensity 'Gleeful' implies a higher level of excitement compared to just being 'happy'. Her gleeful shout echoed as she won the game.