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

But the single-biggest quarterly rate request came from Jersey Central Power & Light, which asked regulators for a $700 million increase. — Jordan Blum, Fortune, 18 Oct. 2026

The debate also centers on whether a single national framework can protect the public without giving regulators excessive discretion. — Aamir Khollam, Interesting Engineering, 17 Oct. 2026

Many externally hired CROs are coming from outside banking and credit unions, with talent sourced from consulting firms, law firms and even state bank regulator’s offices. — Paul Davis, Forbes.com, 16 Oct. 2026

Owner Mark Walter faces investigations and lawsuits involving his insurance businesses, while regulators may require a multibillion-dollar recapitalization. — Bill Shaikin, Los Angeles Times, 16 Oct. 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