English Reference

Idiom

open book

Meaning

Something whose salient aspects are obvious or easily interpreted.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.

Examples

“He is an open book, so you always know his thoughts.”

“Because she is such an open book, her friends can tell immediately when something is bothering her.”

“Despite his attempts to maintain a stoic facade, his expressive face made him an open book to anyone who cared to observe him closely.”

Examples

simple

“He is an open book, so you always know his thoughts.”

contextual

“Because she is such an open book, her friends can tell immediately when something is bothering her.”

complex

“Despite his attempts to maintain a stoic facade, his expressive face made him an open book to anyone who cared to observe him closely.”

Key words

Related idioms

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English Reference