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Definition of 'rule'

Noun

  1. a principle or condition that customarily governs behavior; "it was his rule to take a walk before breakfast"; "short haircuts were the regulation"
       Synonyms: regulation
  2. something regarded as a normative example; "the convention of not naming the main character"; "violence is the rule not the exception"; "his formula for impressing visitors"
       Synonyms: convention normal pattern formula
  3. prescribed guide for conduct or action
       Synonyms: prescript
  4. (linguistics) a rule describing (or prescribing) a linguistic practice
       Synonyms: linguistic rule
  5. a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct; "their principles of composition characterized all their works"
       Synonyms: principle
  6. a rule or law concerning a natural phenomenon or the function of a complex system; "the principle of the conservation of mass"; "the principle of jet propulsion"; "the right-hand rule for inductive fields"
       Synonyms: principle
  7. the duration of a monarch's or government's power; "during the rule of Elizabeth"
  8. dominance or power through legal authority; "France held undisputed dominion over vast areas of Africa"; "the rule of Caesar"
       Synonyms: dominion
  9. directions that define the way a game or sport is to be conducted; "he knew the rules of chess"
  10. any one of a systematic body of regulations defining the way of life of members of a religious order; "the rule of St. Dominic"
  11. (mathematics) a standard procedure for solving a class of mathematical problems; "he determined the upper bound with Descartes' rule of signs"; "he gave us a general formula for attacking polynomials"
       Synonyms: formula
  12. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
       Synonyms: ruler

Verb

  1. exercise authority over; as of nations; "Who is governing the country now?"
       Synonyms: govern
  2. decide with authority; "The King decreed that all firstborn males should be killed"
       Synonyms: decree
  3. be larger in number, quantity, power, status or importance; "Money reigns supreme here"; "Hispanics predominate in this neighborhood"
       Synonyms: predominate dominate reign prevail
  4. decide on and make a declaration about; "find someone guilty"
       Synonyms: find
  5. have an affinity with; of signs of the zodiac
  6. mark or draw with a ruler; "rule the margins"
  7. keep in check; "rule one's temper"
       Synonyms: harness rein


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