悪口

わるぐち · also わるくち、あっこう

(verbal) abuse; speaking ill of people; bad-mouthing; name-calling

JLPT N1 common word Also written 惡口

Meaning

n
(verbal) abuse; speaking ill of people; bad-mouthing; name-calling; slander; abusive language; insulting remarks
nvsvi
(verbal) abuse; name-calling; abusive language; insulting remarks

Example sentences

彼女は私に悪口を浴びせた。

She showered abuse on me.
彼女は私が彼女の悪口を言っていると思いこんでしまった。

She got it into her head that I was bad-mouthing her.
彼女が他人の悪口を言っているのを聞いた事が無い。

I've never heard her speak ill of others.