open book
The term "open book" can refer to something easily understood, a type of test, or a feature in climbing.
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Definition
B2General
(idiomatic)Something or someone that is easy to understand or interpret due to transparency.
Example
- Her emotions are like an open book; you can always tell how she's feeling.
B2Education
(academic)A type of exam where participants can refer to textbooks or other resources while answering questions.
Example
- The final exam will be an open book test, so you can bring your notes.
C1Climbing
(technical)An inside angle in the rock, resembling the shape of an open book.
Example
- The climber carefully navigated the open book formation on the cliff.
Similar
Terms that have similar or relatively close meanings to "open book":
open fanopening bookopen dooropen systemopen accessopen secretin the openopen setopen owide openopen sourcepaper bookopen washopen upopen invitationfake bookbook formopen orderrough bookopen houseopen eopen goalbook trade