X-rated

US /ˌeksˈreɪtɪd/
UK /ˌeksˈreɪtɪd/
"X-rated" picture
1.

X指定, 成人向け

denoting a film or other entertainment that is suitable only for adults because it contains sexually explicit material or violence

:
The movie received an X-rated classification.
その映画はX指定の分類を受けた。
They were watching an X-rated video.
彼らはX指定のビデオを見ていた。