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

Florida Power & Light filed paperwork Thursday with utility regulators claiming the company’s rate structure approved in November 2025 already complies with a new state law on data centers. — Miami Herald, 3 Oct. 2026

In November 2025, regulators issued violations to contractors there for using equipment during a pipeline pressure test that is prohibited within 1,000 feet of a school, of which there are three in the immediate vicinity. — Blanca Begert, Los Angeles Times, 3 Oct. 2026

All told, regulators in 68 jurisdictions worldwide cleared the merger with minimal pushback. — Todd Spangler, Variety, 3 Oct. 2026

With broader crypto legislation stalling in Congress, regulators are exerting their existing powers to address individual parts of the market, said Jeff Ko, chief analyst at blockchain infrastructure service provider ViaBTC. — Lee Ying Shan, CNBC, 2 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