A-list /ˈeɪlɪst/adjective 2noun 2forms 2 adjective2 •Of or relating, or belonging, to an A-list.Before his [Rock Hudson's] Aids diagnosis, he had been so many other things: A-list hunk, suave romcom star and all-round Mr America. — 2023 •Best of a group; first-class, pre-eminent, top. noun2 •The first of a number of lists, especially lists arranged in order of importance or preference. •An informal list of people (especially in the entertainment industry, or professionally or socially prominent) who are the most admired or desirable, or likely to bring success.The film [Pretty Woman] grossed $464 million worldwide, ensconcing her [Julia Roberts] in the Hollywood A-list. — 2014 formsA lists · A-lists