expression, i-adjective
blunt; direct; frank; to the point
Describes a statement that is so straightforward or blunt that it leaves no room for subtlety or euphemism; often implies the speaker is being too direct, stripping away any polite or indirect phrasing.
彼の意見は身も蓋もないが、間違ってはいない。
His opinion is blunt, but it's not wrong.
そんな身も蓋もない言い方をしなくてもいいのに。
You don't have to put it so bluntly.