昨さく非ひ今こん是ぜ

noun

complete reversal of values or ways of thinking

A yojijukugo describing a dramatic shift in perspective where one now considers what was previously thought wrong to be right, and vice versa. Often used in literary or philosophical contexts.

• 彼かれの意い見けんは昨さく非ひ今こん是ぜで、以い前ぜんと全まったく逆ぎゃくになった。

  His opinion has undergone a complete reversal; it is now the exact opposite of what it was before.