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Rareclosed book
The correct spelling is closed book.
How to pronounce closed book
noun
Say it like: Clo-sed- boo-k
The correct spelling is closed book. A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.
Usage Examples
No usage examples in context are available for this word.
Definition
noun
- 1.A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.
Similar words
Words related in meaning — check their spelling too.