a large, expensive and impressive entertainment 铺张华丽的娱乐表演 a musical extravaganza 音乐盛会 a five-day extravaganza of art, music and dance 为期五天的艺术、音乐和舞蹈盛会 The parade was a real extravaganza. 游行是一场真正的盛宴。
Word Originmid 18th cent. (in the sense ‘extravagance in language or behaviour’): from Italian estravaganza ‘extravagance’. The change was due to association with words beginning with extra-.