損そん友ゆう

noun

bad friend; friend who is a bad influence

Refers to a friend who brings trouble, loss, or harm rather than benefit. Often used in contrast with 益友 (えきゆう, 'beneficial friend').

• 彼かれは損そん友ゆうに誘さそわれてギャンブルに手てを出だした。

  He was led into gambling by a bad friend.

• 損そん友ゆうは遠とおざけるに限かぎる。

  It's best to keep bad friends at a distance.