debut, début /'deibju: US: di'bju:; di'bju/ n (esp of a young woman) first appearance at adult parties and other social events; (of an actor, musician, etc) first appearance on a public stage: (尤指年輕女子)初次參加成人的宴會(huì)及其他社交場(chǎng)合; (指演員，音樂(lè)家等)初次登臺(tái)： to make one's 初次登臺(tái); 初次參加社交活動(dòng)。