gratuitous
US /ɡrəˈtuː.ə.t̬əs/
UK /ɡrəˈtʃuː.ɪ.təs/
形容詞
無償の
(of something such as bad behavior) not necessary, or with no cause:
例:
•
A lot of viewers complained that there was too much gratuitous sex and violence in the movie.