Definition of open book in English:

open book

Syllabification: o·pen book

Entry from US English dictionary

noun

  • A person or thing that is easily understood or interpreted: my life’s an open book

More definitions of open book

Definition of open book in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody