To ask what wider significance this has for our place in international relations is natural, yet the question is unanswerable.
Times, Sunday Times (2013)
His stories all revolve around the central theme of unanswerable questions that drive humanity forward .
Globe and Mail (2003)
At the same time, many key questions are still unanswerable.
Understanding Cancer (1987)
He's getting great bumps over his eyes, and learning to ask the most unanswerable questions .
Little Women (1869)