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blue law

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noun
any puritanical law that forbids certain practices, especially drinking or working on Sunday, dancing, etc.
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The rainy weather could not ________ my elated spirits on my graduation day.
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Compare sumptuary law.

Origin of blue law

An Americanism dating back to 1775–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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