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
The European Union Aviation Safety Agency (EASA), whose eVTOL rules the CAA has adopted, built a single new rule book.
—
Deni Ellis Béchard, Scientific American, 25 Apr. 2026
From 1995 to 2005, the MLB rule book defined strikes as the area over home plate from the midpoint between the shoulders and the top of the pants, down to the bottom of the knees.
—Steve Henson, Los Angeles Times, 1 Apr. 2026
Besides those rule book changes, Canada’s film and TV awards this year will also feature top Canadian broadcasters CBC, Bell Media, and Corus partnering to simultaneously broadcast the final prize-giving on May 31 from Toronto.
—Etan Vlessing, HollywoodReporter, 25 Mar. 2026
The rule book, created in a bygone era, calls for the farthest edge of a coach’s box to be 90 feet from home plate.
—Evan Drellich, New York Times, 24 Mar. 2026
See All Example Sentences for rule book
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Deni Ellis Béchard, Scientific American, 25 Apr. 2026
From 1995 to 2005, the MLB rule book defined strikes as the area over home plate from the midpoint between the shoulders and the top of the pants, down to the bottom of the knees.
—Steve Henson, Los Angeles Times, 1 Apr. 2026
Besides those rule book changes, Canada’s film and TV awards this year will also feature top Canadian broadcasters CBC, Bell Media, and Corus partnering to simultaneously broadcast the final prize-giving on May 31 from Toronto.
—Etan Vlessing, HollywoodReporter, 25 Mar. 2026
The rule book, created in a bygone era, calls for the farthest edge of a coach’s box to be 90 feet from home plate.
—Evan Drellich, New York Times, 24 Mar. 2026
See All Example Sentences for rule book
Cite this Entry
“Rule book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rule%20book. Accessed 1 May. 2026.
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