陰口 gossip●superficial gossip

陰口と戦う contend with gossip

陰口の 【形】disparaging

陰口をきく〔人の〕 talk about someone behind his back

陰口をたたく rip up the back〈まれ〉 【自他動】backbite 【自動】gossip

陰口をたたく〔~の〕 be disrespectful of●talk scandal (about)

陰口を言う talk behind someone's back 【他動】bag〈豪俗〉

陰口を言う〔~の〕 be disrespectful of

陰口を言う〔人の〕 speak behind someone's back●talk about someone behind his back

陰口を言うこと backbiting

陰口を言う人 backbiter

陰口を利く〔人の〕 say unkind things about someone behind his back