reg·​u·​la·​tor | \ ˈre-gyə-ˌlā-tər also ˈrā- How to pronounce regulator (audio) \

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

Even then, there comes the matter of trusting the regulator, but that seems preferable to burning down the last 20 years of tech and starting over with a tinfoil hat. Eric Limer, Popular Mechanics, "Tech Companies Shouldn't Make Us Trust Them, At All," 11 Jan. 2019 And in June 2018, the New York banking regulator fined the bank $205 million over violations relating to the company’s foreign exchange trading business. Emily Stewart, Vox, "Deutsche Bank’s German office raids (apparently) have nothing to do with Trump," 30 Nov. 2018 The research is supported by a National Science Foundation grant, a Google Faculty Research Award, and Arcep (Autorité de Régulation des Communications Électroniques et des Postes), the French telecommunications regulator. Jon Brodkin, Ars Technica, "How a phone app detected Sprint’s alleged throttling of Skype," 29 Nov. 2018 The Australian Transport Safety Bureau, a crash and risk investigator, and the Civil Aviation Safety Authority, the aviation industry regulator, are investigating the incident and the company’s management of pilot fatigue. Rod Mcguirk, The Seattle Times, "Sleeping pilot overflies Australian island destination," 28 Nov. 2018 The BTS Army has taken it upon themselves to file complaints to Ofcom, the radio regulator for Capital Breakfast’s parent station. Tess Garcia, Teen Vogue, "BTS Fans Are Angry After a Radio Host Calls the Group's Music "Noise"," 29 Sep. 2018 The regulator has also warned political parties over their purchase of personal data from data brokers, in order to better influence people at election time. Alan Murray, Fortune, "More Tariffs, Pfizer Prices, Facebook Fine: CEO Daily for July 11, 2018," 11 July 2018 At the time the SEC charges were filed, ITT issued a statement denouncing the allegations and insisting the evidence did not support the regulators' claims. Danielle Douglas-gabriel,, "Defunct for-profit college firm ITT's former executives settle fraud charges," 10 July 2018 At the time the SEC charges were filed, ITT issued a statement denouncing the allegations and insisting that the evidence did not support the regulators' claims. Danielle Douglas-gabriel,, "ITT's top executives settle fraud charges with SEC," 9 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

16 Apr 2019

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Time Traveler for regulator

The first known use of regulator was in 1648

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More Definitions for regulator



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 How to pronounce regulator (audio) \

Medical Definition of regulator

1 : one that regulates


reg·​u·​la·​tor | \ ˈre-gyə-ˌlā-tər How to pronounce regulator (audio) \

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 affect and impair by alcohol or a drug

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