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

Bazalgette’s argument mirrors the one that ITV has begun making to UK lawmakers and regulators. —Max Goldbart, Deadline, 8 Nov. 2025

While simulation can prepare AI for millions of events, regulators are still defining how to certify systems for nationwide deployment. —Kurt Knutsson, FOXNews.com, 8 Nov. 2025

Boring had previously entered into a settlement agreement in 2022 with the regulator for similar violations. —Dave Smith, Fortune, 8 Nov. 2025

In a separate ruling, in October 2025, the French equalities regulator said Meta’s Facebook algorithm breached France’s anti-discrimination law by displaying different job advertisements to men and women. —Carlotta Dotto, CNN Money, 7 Nov. 2025

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