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

The owners of Prospect set about running those three hospitals and ignoring the conditions of their purchase while state regulators paid no attention. —Kevin Rennie, Hartford Courant, 9 May 2026

The question of whether that model can scale, and whether homeowners, HOAs, and regulators will approve it, is up for debate. —Kevin Williams, CNBC, 9 May 2026

Beneath the surface of a resilient financial system, a set of vulnerabilities is building, and the risks that market professionals and bank regulators lose sleep over are more varied and complex than at any point in recent memory. —Mayra Rodriguez Valladares, Forbes.com, 9 May 2026

If Xcel Energy customers feel like their electric bills just keep climbing, there’s a reason, according to state regulators. —Judith Kohler, Denver Post, 8 May 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