Thesaurus results for CLOSED BOOKS

closed books

noun

plural of closed book

as in mysteries

something hard to understand or explain the couple's unorthodox marriage is definitely a closed book to those outside of the relationship

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Noun

Starring Zhang Yi, Ma Li, and Chen Minghao alongside guest appearances by Karry Wang, Fan Chengcheng, and Chen Feiyu, the multi-decade drama chronicles an elite public security detective unravelling major criminal mysteries based on real cases.

— Naman Ramachandran, Variety, 19 Oct. 2026
Most Sherlock Holmes stories are mysteries – intricate, complex and brilliantly written.

— Jesse Whittock, Deadline, 16 Oct. 2026

Definition of mysteries

Noun

These novels are puzzles at their core, and using logic to solve the mystery before it’s revealed in the book is, to me, the main pleasure in reading them.

— New York Times, New York Times, 15 Oct. 2026
The next two puzzles seem, on the surface, to have nothing to do with the first two.

— Dana Mackenzie, Scientific American, 14 Oct. 2026

Definition of puzzles

Noun

Heather is left keeping both of their secrets while wondering what the hell is in the air this season.

— Tom Smyth, Vulture, 15 Oct. 2026
The mystery comedy, loosely inspired by the 1989 film starring Tom Hanks, follows a married couple whose move into the husband's childhood home exposes unsettling secrets in their seemingly quiet suburban neighborhood.

— Danielle Minnetian, FOXNews.com, 15 Oct. 2026

Definition of secrets

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“Closed books.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/closed%20books. Accessed 20 Oct. 2026.

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Synonyms of closed books

noun

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