Prevue is a noun that means a preview or glimpse of something. There are several synonyms for prevue that can be used interchangeably such as preview, sneak peek, teaser, trailer, curtain raiser, introduction, opening act, demonstration, and showcase. Each of these words has a slightly different connotation, but they all have the same basic meaning of offering a glimpse or preview of something to come. For example, a trailer is a short video or film that promotes a forthcoming movie or TV show, while an opening act is a brief performance that precedes the main event. Regardless of the specific synonym used, they all convey the same idea of a tantalizing glimpse of what's to come.