Understanding the meaning of closed book - BoostVocab

Smart Search Learn a New Word

closed book

Synonyms of closed book Antonyms of closed book Examples of closed book Usage of closed book Parts of closed book Definition that contains closed book Words sounding like closed book Explanation of closed book

noun
something that baffles understanding and cannot be explained
- + New List
Similar:

enigma mystery secret

type of:
perplexity

Explanation of closed book

We don`t have explanations for this word yet.