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Meaning of word closed book from English dictionary with examples, synonyms and antonyms.

closed book   noun

Meaning : Something that baffles understanding and cannot be explained.

Example : How it got out is a mystery.
It remains one of nature's secrets.

Synonyms : enigma, mystery, secret

चौपाल

Closed book ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Closed book ka matlab kya hota hai?