reg·u·la·tor | \ ˈre-gyə-ˌlā-tər also ˈrā- \

Definition of regulator 

1 : one that regulates

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Synonyms for regulator


control, controller

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Examples of regulator in a Sentence

the voltage regulator will make sure your car's alternator gets the right amount of electricity

Recent Examples on the Web

Facebook also received a minor fine of $164,000 from French regulators for failing to meet the country's data protection rules. Tony Romm And Elizabeth Dwoskin,, "Facebook is slapped with first fine for Cambridge Analytica scandal," 10 July 2018 On the day of Mr Sharif’s return, Pakistan’s media regulator warned media companies against airing footage of the return. The Economist, "Nawaz Sharif returns to Pakistan, and jail," 14 July 2018 At the time, Greg Pence and state environmental regulators pledged to work together on the cleanup. Brian Slodysko, Houston Chronicle, "Pence family gas stations left costly environmental legacy," 13 July 2018 At the time, Greg Pence and state environmental regulators pledged to work together on the cleanup. Brian Slodysko, The Courier-Journal, "Cleanup of Pence family's failed gas stations cost Indiana taxpayers $20M," 13 July 2018 More recently, regulators have fined or cited a number of large banks for having insufficient procedures to monitor customers and transactions. Telis Demos, WSJ, "Rules Designed to Catch Terrorists Cost This Unsuspecting Customer Her Bank Account," 13 July 2018 At the time, Greg Pence and state environmental regulators pledged to work together on the cleanup. Brian Slodysko,, "Cleanup of Pence family gas stations cost Indiana more than $20 million," 13 July 2018 He and former utility regulator Gary Pierce, Pierce's wife Sherry, and lobbyist Jim Norton are on trial in federal court. Ryan Randazzo, azcentral, "Judge slams Johnson Utilities' service, says company needs an emergency manager," 12 July 2018 American Medical Association Urges Regulators To Block CVS-Aetna Deal » Analysts have said regulators may demand business divestitures before a CVS-Aetna deal is approved, but that ultimately the transaction would be approved. Stephen Singer,, "Report: Justice Department Will Not Challenge $69 Billion CVS-Aetna Deal," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'regulator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of regulator

1648, in the meaning defined at sense 1

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Statistics for regulator

Last Updated

17 Sep 2018

Look-up Popularity

Time Traveler for regulator

The first known use of regulator was in 1648

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English Language Learners Definition of regulator

: a device for controlling the level or amount of something (such as speed or temperature)

: an official who works for the part of the government that controls a public activity (such as banking or insurance) by making and enforcing rules


reg·u·la·tor | \ ˈreg-yə-ˌlāt-ər \

Medical Definition of regulator 

1 : one that regulates


reg·u·la·tor | \ ˈre-gyə-ˌlā-tər \

Legal Definition of regulator 

: one (as a government agency) that regulates

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Comments on regulator

What made you want to look up regulator? Please tell us where you read or heard it (including the quote, if possible).


to make amends

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