the book

noun

Definition of the book

US, informal
1 : the knowledge or information that relates to a particular subject, person, etc. The book on him is that he can't hit a curveball.
2 : a book that lists the names, addresses, and phone numbers of the people and businesses in a certain area : telephone book Give me a call if you need to. I'm in the book.

Learn More about the book

Statistics for the book

Look-up Popularity

Comments on the book

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

WORD OF THE DAY

a flaw that causes the downfall of a hero

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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