closed book
Americannoun
noun
-
something deemed unknown or incapable of being understood
-
a matter that has been finally concluded and admits of no further consideration
Etymology
Origin of closed book
First recorded in 1910–15
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.
Given founding members of the competition could not be 'relegated' from it, critics argued the tournament was a closed book for Europe's elite teams.
From BBC
Mr Ba may have been on the political scene for the last decade, but he is a bit of a closed book for most.
From BBC
“As you know, I’m not normally a closed book on this stuff,” Sean told me.
From Washington Post
When the bank collapsed, her loan was one of thousands sold by the government to so-called "closed book" lenders.
From BBC
The answer was always there, tucked away within the brittle pages of that closed book—Papá.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
