rule book

noun

Definition of rule book

: a book that contains the official set of rules that must be followed in a game, job, etc. always carries the rule book in his back pocket to every game also : the rules in such a book The rule book says that once the puck fully crosses the line it is a goal. often used figuratively He's a maverick when it comes to decorating, throwing away the rule book.

Comments on rule book

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

WORD OF THE DAY

transposition of initial sounds of words

Get Word of the Day daily email!

Test Your Vocabulary

Word Puzzles

  • alt 57589b2b4c6a3
  • Which answer pairs best with each of the following words? living, estate, club, music, road, mile
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!