good question

== English == === Etymology === Ellipsis of that's a good question. === Interjection === good question (informal) An acknowledgement that a question is difficult to answer. ==== Translations ==== === References === “good question”, in Collins English Dictionary, 2011–present. “that s a good question” (US) / “that s a good question” (UK) in Macmillan English Dictionary. “that s a good question” in Longman Dictionary of Contemporary English, Longman.