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

Now, Virginia's own environmental regulator is tightening emissions requirements for any generator permits filed on or after July 1, 2026. — Anna Demeo, Forbes.com, 21 July 2026

The new law will be enforced by Arcom, France’s audiovisual and digital communications regulator. — Joseph Ataman, CNN Money, 21 July 2026

Securities regulators are cracking down on Hong Kong brokerages used as conduits by wealthy individuals to move funds offshore. — Andy Browne, semafor.com, 21 July 2026

Clear communication is another priority with consumers, suppliers, and regulators. — Sasha Rogelberg, Fortune, 20 July 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