unmentionable thing
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As is common in most modern discussions the unmentionable thing is the pivot of the whole discussion.
From What's Wrong with the World by Chesterton, G. K. (Gilbert Keith)
He drew Jurgis out, and heard all about his life all but the one unmentionable thing; and then he told stories about his own life.
From The Jungle by Sinclair, Upton