rule book

noun

: 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.

Examples of rule book in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While the strike zone actually called by big league umpires tends to be oval in shape, the ABS strike zone is a rectangle, as in the rule book. Ronald Blum, Baltimore Sun, 20 Feb. 2025 And just like the pitch clock implementation, there are rules in the rule book that were ignored like batters staying in the batters box. Evan Drellich, The Athletic, 19 Feb. 2025 There have been other benefits of bringing back checking, which was part of the game in women’s hockey in Europe and North America until the mid-1980s but isn’t in the International Ice Hockey Federation’s current rule book. Steve Douglas, Chicago Tribune, 11 Feb. 2025 Schools are already planning to implement the revenue-sharing system for the 2025-26 school year and the NCAA is preparing to re-write its rule book to accommodate a more professionalized model for college sports. Ralph D. Russo, The Athletic, 17 Jan. 2025 See All Example Sentences for rule book

Browse Nearby Entries

Cite this Entry

“Rule book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rule%20book. Accessed 27 Feb. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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