Serving 1,494,938 posts - Running Gelbooru Beta 0.1.11 Terms of Service - Total number of visitors so far: 52,998,604 RULE meaning: 1. an accepted principle or instruction that states the way things are or should be done, and tells…. Learn more. RULE definition: a principle or regulation governing conduct, action, procedure, arrangement, etc. See examples of rule used in a sentence. Define rule. rule synonyms, rule pronunciation, rule translation, English dictionary definition of rule. n. 1. a. Governing power or its possession or use; authority. Ruler or rule ; a distance measuring device Slide rule, a mechanical analog computer Rule of inference or transformation rule, a term in logic for a function which takes premises and returns a conclusion Phrase structure rule or rewrite rule, used in some theories of linguistics Rule X elementary cellular automaton, where X is a number between 0-255 characterizing a specific model (e.g. A rule is a regulation or direction for doing some particular activity. If you have a no shoes rule at your house, it means everyone has to take them off at the door. The meaning of RULE is a prescribed guide for conduct or action. How to use rule in a sentence. Synonym Discussion of Rule. rule (countable and uncountable, plural rules) A regulation, law, guideline. synonym quotations Synonyms: see Thesaurus: rule All participants must adhere to the rules. You have to follow the rules to enter the qualifiers for the football tournament. RULE definition: 1. an accepted principle or instruction that states the way things are or should be done, and tells…. Learn more. Rule34 is more than a meme: learn its 2003 origin, why it spreads, and how to navigate adult fan content safely and ethically online.