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CLOSED BOOK Synonyms

There are 3 synonyms of the phrase closed book. (exact relations)
There is 1 hypernym of the phrase closed book. (close relations)

Best Synonyms for CLOSED BOOK

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enigma
nounn
noun

• something that baffles understanding and cannot be explained

• a difficult problem

mystery
nounn
noun

• something that baffles understanding and cannot be explained

• a story about a crime (usually murder) presented as a novel or play or movie

secret
nounn
noun

• something that should remain hidden from others (especially information that is not to be passed on)

• information known only to a special group

• something that baffles understanding and cannot be explained

adjective satellite

• not open or public; kept private or not revealed

• conducted with or marked by hidden aims or methods

• not openly made known

• communicated covertly

• not expressed

• designed to elude detection

• hidden from general view or use

• (of information) given in confidence or in secret

• indulging only covertly

• having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

• the next to highest level of official classification for documents

Best Hypernyms For CLOSED BOOK

Here is a list of related hypernyms for closed book, these are close relations that fall within the same topic. Most relevant words are highlighted and in order.
Words (1)

Alternatives for ENIGMA

Words (6)
Phrases (1)