Case and Closed book

Related terms

Case noun - Something that encloses another thing especially to protect it.

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Closed book and case are semantically related. In some cases you can use "Closed book" instead a noun "Case".

Nearby Words: cased, casing, casework

Closed book noun - Something hard to understand or explain.

Usage example: the couple's unorthodox marriage is definitely a closed book to those outside of the relationship

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Case and closed book are semantically related. Sometimes you can use "Case" instead a noun phrase "Closed book".

Cite this Source

Closed book and Case. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/case/closed_book

Case & Closed book. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/case/closed_book>.

Closed book or Case. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/case/closed_book.

Google Ngram Viewer shows how "case" and "closed book" have occurred on timeline