悪あく舌ぜつ

noun

evil tongue; gossip; slanderous talk

Refers to malicious or slanderous speech; somewhat literary or formal. The reading あくした is rare.

• 彼かれの悪あく舌ぜつにはもう慣なれた。

  I've gotten used to his malicious gossip.

• 悪あく舌ぜつをふるう人ひとは信しん用ようできない。

  You can't trust someone who speaks with an evil tongue.