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

To its credit, the Ai Funds prospectus includes the sentence a regulator would want to see. —Dara-Abasi Ita, Forbes.com, 21 June 2026

European regulators approved it in 2000. —Guy German, Fortune, 21 June 2026

Harris noted that processing of rare earths can be extremely dirty, involving heavy chemical use that can contaminate water resources without close monitoring of companies' sustainability commitments and enforcement by federal regulators. —ABC News, 20 June 2026

However, that change requires the Green Mountain Care Board, the state's main healthcare regulator, to go through a rulemaking process, which would not be finalized by the start of the coming hospital fiscal year in October, delaying the pricing reform implementation. —Olivia Gieger Vtdigger, Arkansas Online, 20 June 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