closed book


Definition of CLOSED BOOK

:  something beyond comprehension :  enigma

Examples of CLOSED BOOK

  1. <the couple's unorthodox marriage is definitely a closed book to those outside of the relationship>

First Known Use of CLOSED BOOK



Next Word in the Dictionary: closed–captionedPrevious Word in the Dictionary: closed boltAll Words Near: closed book
July 03, 2015
interpellate Hear it
to formally question a public official
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