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verb (used with object), de·reg·u·lat·ed, de·reg·u·lat·ing.
  1. to remove government regulatory controls from (an industry, a commodity, etc.): to deregulate the trucking industry; to deregulate oil prices.
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verb (used without object), de·reg·u·lat·ed, de·reg·u·lat·ing.
  1. to undergo deregulation: Some banks have already started to deregulate.
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Origin of deregulate

An Americanism dating back to 1960–65; de- + regulate
Related formsde·reg·u·la·tion, nounde·reg·u·la·tor, nounde·reg·u·la·to·ry [dee-reg-yuh-luh-tawr-ee, -tohr-ee] /diˈrɛg yə ləˌtɔr i, -ˌtoʊr i/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for deregulation


  1. (tr) to remove regulations or controls from
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Derived Formsderegulation, nounderegulator, nounderegulatory, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for deregulation



1963, back-formation from deregulation. Related: Deregulated; deregulating.

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Online Etymology Dictionary, © 2010 Douglas Harper