law - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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English definition of “law”

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law

noun
 
 
/lɔː/
the law B2 the system of official rules in a country: You're breaking the law. It's against the law (= illegal) not to wear seat belts. It's their job to enforce the law.Legislation and law-makingRules and laws
by law B2 If you have to do something by law, it is illegal not to do it: They have to provide a contract by law.Legislation and law-makingRules and lawsGiving orders and commands
RULE [C] B2 an official rule in a country: There are laws against drinking in the street. They led the fight to impose laws on smoking.Legislation and law-makingRules and laws
law and order the obeying of laws in society: a breakdown in law and orderObeying and breaking the lawObedient and compliantDisobedientBad and wrong behaviourSocial order and disorder
SUBJECT [U] B1 the subject or job of understanding and dealing with the official laws of a country: to study/practise law a law school/firm a specialist in civil/criminal lawSubjects and disciplines
ALWAYS TRUE [C] something that is always true in science, mathematics, etc.: the laws of nature/physics the law of averages/gravityPhilosophyIdeas, concepts and theories
→  See also brother-in-law , common-law , daughter-in-law , father-in-law , in-laws , martial law , mother-in-law , sister-in-law , son-in-law , lay down the law
(Definition of law from the Cambridge Learners Dictionary © Cambridge University Press)
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