an open book

noun

: a person or thing that is easy to learn about and understand
My life is an open book. I have nothing to hide.

Examples of an open book in a Sentence

Recent Examples on the Web
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In the picture, the man stands at the base of a stone structure holding an open book adorned with sigils. — Sam Kestenbaum, Harpers Magazine, 27 Oct. 2026 Kim Kardashian’s been an open book for years on her reality shows. — Madeleine Marr, Miami Herald, 16 Oct. 2026 No better is that exemplified than on Play Boy, an album that presents itself as an open book reflection on life lived unapologetically, on the edge, and with a constant questioning of any authoritative figure standing in its way. — Chris Barilla, PEOPLE, 18 Sep. 2026 The actress has been a regular guest on Andy Cohen’s Watch What Happens Live over the years and has always been an open book. — Kathleen Perricone, Entertainment Weekly, 27 Aug. 2026 See All Example Sentences for an open book

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Cite this Entry

“An open book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/an%20open%20book. Accessed 30 Oct. 2026.

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