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an open book

an o·pen book
A a

Transcription

    • US Pronunciation
    • US IPA
    • [uh n oh-puh n boo k]
    • /ən ˈoʊ pən bʊk/
    • US Pronunciation
    • US IPA
    • [uh n oh-puh n boo k]
    • /ən ˈoʊ pən bʊk/

Definition of an open book words

  • noun an open book a person or subject that is thoroughly understood 3

Information block about the term

Parts of speech for An open book

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

an open book popularity

A common word. It’s meaning is known to most children of preschool age. About 93% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

an open book usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

Matching words

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