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English dictionary
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English
noun
:
closed book
1.
closed book
(cognition)
something that baffles understanding and cannot be explained
Samples
How it got out is a mystery.
It remains one of nature's secrets.
Synonyms
enigma
,
mystery
,
secret
Broader (hypernym)
perplexity
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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.
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