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

Lawmakers accused Peña of using his political influence to steer hundreds of millions of dollars in public funds into Ueno while regulators overlooked risky insider lending. — Arkansas Online, 7 Nov. 2026

When regulators seized the bank, Ueno customers could no longer withdraw cash, access their savings or use their cards to buy anything. — CBS News, 7 Nov. 2026

Do incident protocols guarantee prompt, direct notification to regulators and affected parties? — Stephen Pitt-Walker, Forbes.com, 6 Nov. 2026

But regulators also offered providers a reprieve in the form of a two-year delay in implementation that’s aimed at allowing time for providers to build in-house services. — Mario Aguilar, STAT, 6 Nov. 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