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Pronunciation varies by accent · adjective
(education) Designating an examination in which external resources such as calculators, glossaries, and study notes are prohibited..
Use closed-book when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Closed-book means (education) Designating an examination in which external resources such as calculators, glossaries, and study notes are prohibited..
The closest synonym depends on the sentence and intended sense.
Possible antonyms include open-book.
Use closed-book where its definition matches the intended context.
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