益えき友ゆう

noun

good friend; beneficial friend

A somewhat formal or literary term for a friend who is a positive influence, offering moral or practical benefit. Not used in casual conversation.

• 良りょう書しょは益えき友ゆうである。

  A good book is a beneficial friend.

• 彼かれは私わたしにとって真しんの益えき友ゆうだ。

  He is a true beneficial friend to me.