Closed book
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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Synonyms for Closed book
Puzzlement and closed book are semantically related. in puzzle topic. In some cases you can use "Puzzlement" instead a noun phrase "Closed book", when it comes to topics like mystery, brain-teaser.
Puzzlement
Puzzlement noun - Something hard to understand or explain.
Usage example: the whole situation remains a puzzlement to everyone who was there
Closed book and puzzlement are semantically related. You can use "Closed book" instead a noun "Puzzlement".
Mutual synonyms
Related pairs
- problem and closed book
- problem and puzzlement
- question and closed book
- question and puzzlement
- riddle and closed book
- riddle and puzzlement
- secret and closed book
- secret and puzzlement
- puzzle and closed book
- puzzle and puzzlement
- confusion and closed book
- confusion and puzzlement
- enigma and closed book
- enigma and puzzlement
Cite this Source
Puzzlement and Closed book. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/closed_book/puzzlement
Closed book & Puzzlement. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/closed_book/puzzlement>.
Puzzlement or Closed book. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/closed_book/puzzlement.
Google Ngram Viewer shows how "closed book" and "puzzlement" have occurred on timeline