rulebook

R1U1L1E1B3O1O1K5
US/ˌɹulˌbʊk/

noun

A book containing a set of rules.

Less commonScrabble 14

Meanings

nounrulebook (plural rulebooks)

plural rulebooks · alternative rule book · alternative rule-book

  1. A book containing a set of rules.

    In our rapidly changing business environment, rulebooks swiftly become redundant, and businesses must rely on their senior executives to be confident in their decisions.

    2012 August 30, Rose Hoare, “How seeing the big picture could bring success, fulfillment”, in CNN
    2 more examples

    The main tool Rogue-likes bring to creating interesting gameplay through randomness is algorithmic complexity far beyond that provided by a few 1D100 tables in the back of the D&D rulebook.

    2013, Greg Costikyan, Uncertainty in Games, Cambridge, Mass.; London: The MIT Press, →ISBN, page 47

    The ATP rulebook defines unsportsmanlike conduct as “any misconduct by a player that is clearly abusive or detrimental to the success of a tournament, ATP and/or the sport” and carries a fine of up to $20,000.

    2022 February 23, Matias Grez, “Alexander Zverev is withdrawn from Mexican Open after striking umpire’s chair multiple times”, in CNN

Origin

  1. Englishrule
  2. Proto-Indo-European*bʰeh₂ǵosder.?
  3. Proto-Indo-European*bʰeh₂g-der.?
  4. Proto-Germanic*bōks
  5. Proto-West Germanic*bōk
  6. Old Englishbōc
  7. Middle Englishbok
  8. Englishbook
  9. Englishrulebook

From rule + book.

Full word history & related roots →

Translations

Finnish sääntökirja
  • sääntökirjaa book containing rules
French règlement, règles
  • règlementa book containing rules
  • règlesa book containing rules
Polish regulamin
  • regulamina book containing rules
Cite this entry
APA

rulebook. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rulebook

MLA

“rulebook.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rulebook. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “rulebook,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rulebook.

Source: rulebook on Wiktionary, CC BY-SA 4.0.