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
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But in classic Recording Academy fashion, the celebration barely lasted four months before the rule book was rewritten. Kevin Dolak, HollywoodReporter, 1 Oct. 2025 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, Twin Cities, 23 Sep. 2025 Targeting is listed as a point of emphasis in the 2025 NCAA rule book. Haley Sawyer, Oc Register, 21 Sep. 2025 From the monumental cleaning of the Seine to the subtle shifts in daily life, Paris is trying to rewrite the rule book for how a global city can host the world while safeguarding its soul. Christopher Elliott, Forbes.com, 7 Sep. 2025 See All Example Sentences for rule book

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Cite this Entry

“Rule book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rule%20book. Accessed 5 Oct. 2025.

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