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
But for those who have questions, or want to know more about colon cancer — especially prevention — Saim is there, an open book on his podcast and social media.
—
Lisa Gutierrez, Kansas City Star, 15 Apr. 2026
Fowler appeared in some of Dupuy-Spencer’s works from that period, including Eve (2018), a work in which the artist sits at a table strewn with an open book and a pair of scissors as two barking dogs seek her attention.
—Alex Greenberger, ARTnews.com, 11 Apr. 2026
On it lies an open book, overlooked by a portrait on the wall of the late Iranian Supreme Leader Ayatollah Ali Khamenei.
—CBS News, 12 Mar. 2026
Target Santa seen bench holding book The clip Target shared online ringing in the 2025 season shows a woman walk by the Santa impersonator – who is spotted holding an open book in an aisle.
—Natalie Neysa Alund, USA Today, 27 Oct. 2025
The British Museum is an open book to the world.
—Samantha Conti, Footwear News, 17 Oct. 2025
Martin Scorsese has always been an open book, a storyteller who has offered his autobiography freely and an auteur whose deepest philosophical themes have been recurring and explored in bold type.
—Daniel Fienberg, HollywoodReporter, 4 Oct. 2025
Sage has been more of an open book with her fellow Uli tribemates by sharing both the emotional and physical challenges she's faced on the show.
—Caroline Blair, PEOPLE, 25 Sep. 2025
Without encryption, your internet traffic would be an open book for anyone to read, including bad actors.
—Anand Oswal, Forbes.com, 2 Sep. 2025
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Lisa Gutierrez, Kansas City Star, 15 Apr. 2026
Fowler appeared in some of Dupuy-Spencer’s works from that period, including Eve (2018), a work in which the artist sits at a table strewn with an open book and a pair of scissors as two barking dogs seek her attention.
—Alex Greenberger, ARTnews.com, 11 Apr. 2026
On it lies an open book, overlooked by a portrait on the wall of the late Iranian Supreme Leader Ayatollah Ali Khamenei.
—CBS News, 12 Mar. 2026
Target Santa seen bench holding book The clip Target shared online ringing in the 2025 season shows a woman walk by the Santa impersonator – who is spotted holding an open book in an aisle.
—Natalie Neysa Alund, USA Today, 27 Oct. 2025
The British Museum is an open book to the world.
—Samantha Conti, Footwear News, 17 Oct. 2025
Martin Scorsese has always been an open book, a storyteller who has offered his autobiography freely and an auteur whose deepest philosophical themes have been recurring and explored in bold type.
—Daniel Fienberg, HollywoodReporter, 4 Oct. 2025
Sage has been more of an open book with her fellow Uli tribemates by sharing both the emotional and physical challenges she's faced on the show.
—Caroline Blair, PEOPLE, 25 Sep. 2025
Without encryption, your internet traffic would be an open book for anyone to read, including bad actors.
—Anand Oswal, Forbes.com, 2 Sep. 2025
Cite this Entry
“An open book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/an%20open%20book. Accessed 27 Apr. 2026.
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