regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər 

also ˈrā-

1

: one that regulates

2

: regulatory gene

Synonyms of regulator

• controller
• control

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

That program, run by the drug’s maker, Revolution Medicines, had been set up to provide access to the drug before it had been approved by regulators. — Angus Chen, STAT, 8 Sep. 2026

After that, Meta will probably have to answer to Australia’s eSafety Internet regulator, which recently banned under-16s from social media. — Ashley Belanger, ArsTechnica, 8 Sep. 2026

Programs where the travel manager is the sole owner of the topic tend to underinvest in exactly the areas—risk assessments, incident documentation, board reporting—that courts and regulators care most about. — Egor Karpovich, Forbes.com, 8 Sep. 2026

The figures come from Unifrance and French cinema body and regulator the CNC. — Stewart Clarke, Deadline, 8 Sep. 2026

Word History

First Known Use

1648, in the meaning defined at sense 1

Phrases Containing regulator

• growth regulator
• regulator gene

Rhymes for regulator

• activator
• actuator
• agitator
• alligator
• allocator
• alternator
• animator
• annotator
• applicator
• arbitrator
• aspirator
• aviator

Medical Definition

regulator

noun

reg·​u·​la·​tor ˈreg-yə-ˌlāt-ər 

1

: one that regulates

2

: regulatory gene

Legal Definition

regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər 

: one (as a government agency) that regulates