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

Lemonade was an open book into the mind of Beyoncé Knowles, and in it contained her best body of work to date. —Okla Jones, Essence, 4 Sep. 2024

While no one knew exactly what Richard Nixon would do, Donald Trump’s playbook is an open book. —Dan Rather, Variety, 8 Aug. 2024

Authenticity attracts, and Kehlani is an open book. —Lea Veloso, StyleCaster, 31 July 2024

As Mamas Uncut previously reported, this isn’t the first time Michael J. Fox has been an open book about his life with Parkinson’s Disease. —Sara Vallone, Miami Herald, 30 June 2024

Emily Maynard’s love life is now quite literally an open book. —Heidi Finley, Charlotte Observer, 4 June 2024

Everyone’s past, no matter how far back, is an open book. —Christian Schneider, National Review, 4 Jan. 2024

Her eyes shut, she was draped in a robe with ermine trim, with an inkpot sitting on her skirt and one hand resting on an open book. —Merve Emre, The New Yorker, 29 Jan. 2024

Staunton’s Elizabeth is by comparison an open book, and its contents are disappointing. —Lili Loofbourow, Washington Post, 14 Dec. 2023