真ま逆ぎゃく

na-adjective, noun which may take the genitive case particle 'no'

exact opposite; polar opposite

Emphasizes a complete reversal or diametrical opposition. Often used in casual speech and writing.

• 彼かれの意い見けんは私わたしのと真ま逆ぎゃくだ。

  His opinion is the exact opposite of mine.

• 真ま逆ぎゃくの方ほう向こうに進すすんでしまった。

  I ended up going in the completely opposite direction.