From Longman Dictionary of Contemporary EnglishX-ratedX-rated /ˈeks ˌreɪtɪd/ adjective AMFan X-rated film is one that people under 18 are not allowed to see because it includes sex or violence
Examples from the Corpus
X-rated• My fellow schoolboys vied with one another for admission to the cinema, so that they could witness X-rated films.• Worried parents fretted that their children would be exposed to X-rated happenings.• Any moment now, Alyssia thought sourly, and this scenario will turn into an X-rated movie.• Best stunned the audience at a Belfast footballers' dinner with his racist outburst in an X-rated speech peppered with four-letter words.• Industry experts say this booming cottage industry now accounts for about a quarter of the X-rated video market. 