blue law definition, meaning - what is blue law in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “blue law”

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blue law

noun [C] uk   us   US old-fashioned informal
a law that limits activities that are considered not to be moral for religious reasons, such as shopping or working on Sundays
(Definition of blue law from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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