滅めっ相そう

na-adjective, noun

preposterous; absurd; outrageous

Almost exclusively used in the negative phrase 滅相もない (or めっそうもない), meaning 'don't be ridiculous' or 'that's out of the question'. The standalone adjective use is rare.

See also: 滅相もない (めっそうもない)

• 「私わたしが責せき任にんを取とります」「滅めっ相そうもない。これは私わたしのミスです」

  "I'll take responsibility." "Don't be ridiculous. This is my mistake."

• そんな滅めっ相そうな話はなしは聞きいたことがない。

  I've never heard such an absurd story.