的はずれ

off the mark, mistaken, irrelevant

→ 的外れ
的 -ic; having the nature of + はずれ disappointment, letdown
noun Rare #42,118
off the mark, mistaken, irrelevant Often used with だ or な to describe a guess, statement, or question.
JA: その推測は的はずれだ。
EN: That guess is off the mark.
Declension of 的外れ
的外れ的はずれ

君の言うことはまったく的はずれだ。

What you're saying is completely beside the point.

今の質問は証人を責めるだけの―的はずれな質問です

That question was completely beside the point and served only to blame the witness.

— ア・フュー・グッドメン (1992)

彼の言ったことは的はずれだった。

What he said was beside the point.

あなたの推量は的はずれだ。

Your guess is way off the mark.