gratuitous
🇺🇸
/ɡrəˈtuːɪtəs/
🇬🇧
/ɡrəˈtjuːɪtəs/
adjective
R
Something done without a good reason, often causing harm or offense.
The gratuitous violence in the movie was unnecessary and disturbing.
电影中无端的暴力场面是不必要的，令人不安。
translation
无端的