Thesaurus

closed books

noun , plural of closed book

Synonyms and Antonyms of closed books

something hard to understand or explain
  • the couple's unorthodox marriage is definitely a closed book to those outside of the relationship
Synonyms of closed books
Words Related to closed books

Seen and Heard

What made you want to look up closed books? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by turns or indirection

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!