Dictionary / Vocabulary / 陰口
かげぐち
malicious gossip; backbiting; speaking ill behind someone's back
common word Also written 蔭口、影口
彼はいつも父親の陰口を言います。
He always speaks ill of his father behind his back.
他人の陰口をきいてはいけません。
You must not speak ill of others behind their backs.
人の陰口を言ってはいけない。
You should not speak ill of others behind their backs.