Open book Meaning in English
expression
Definition
An 'open book' is something that is easy to understand or a person who shows their feelings or thoughts openly and hides nothing.
Usage & Nuances
This idiom is usually positive, used about people who are honest and transparent. It can occasionally be used critically to mean someone is too obvious. Not to be confused with literal books. Common collocation: 'be an open book'.
Example Sentences
My friend is an open book; you always know what he's thinking.
basic
She is an open book when it comes to her emotions.
basic
This report is an open book; everything is clear and simple.
basic
I'm an open book—ask me anything you want to know.
natural
Some people hide their feelings, but Jake is an open book.
natural
After talking with her for five minutes, you realize she's an open book.
natural