out of the question

comparative more out of the question · superlative most out of the question

1. idiomaticNot remotely possible.

   A second special was out of the question, as the ordinary local service was already somewhat deranged by the first.

   1898, Arthur Conan Doyle, The Lost Special

   2 more examples

   Carried somehow, somewhither, for some reason, on these surging floods, were these travelers,[…]. Even such a boat as the Mount Vernon offered a total deck space so cramped as to leave secrecy or privacy well out of the question, even had the motley and democratic assemblage of passengers been disposed to accord either.

   1910, Emerson Hough, chapter II, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

   If Suzanne Collins’ novel The Hunger Games turns up on middle-school curricula 50 years from now—and as accessible dystopian science fiction with allusions to early-21st-century strife, that isn’t out of the question—the lazy students of the future can be assured that they can watch the movie version and still get better than a passing grade.

   2012 March 22, Scott Tobias, AV Club, The Hunger Games, archived from the original on 23 Mar 2012

   Synonyms: unthinkable