regulate

verb

reg·​u·​late ˈre-gyə-ˌlāt How to pronounce regulate (audio)
 also  ˈrā-
regulated; regulating

transitive verb

1
a
: to govern or direct according to rule
b(1)
: to bring under the control of law or constituted authority
(2)
: to make regulations for or concerning
regulate the industries of a country
2
: to bring order, method, or uniformity to
regulate one's habits
3
: to fix or adjust the time, amount, degree, or rate of
regulate the pressure of a tire
regulative
ˈre-gyə-ˌlā-tiv How to pronounce regulate (audio)
 also  ˈrā-
adjective
regulatory
ˈre-gyə-lə-ˌtȯr-ē How to pronounce regulate (audio)
 also  ˈrā-
adjective

Examples of regulate in a Sentence

The dam regulates the flow of water into the river. We need better laws to regulate the content of the Internet. Laws have been made to regulate working conditions. The government regulates how much lead may be found in our water supply. The department regulates foreign trade.
Recent Examples on the Web Florida laws make regulation, litigation difficult In Florida, OSHA is the only agency that can regulate hoisting equipment, such as cranes, according to state statutes. Devoun Cetoute, Miami Herald, 7 Apr. 2024 Hormones regulate a person’s mind and body, and going cold turkey could send patients into depressive spirals or worse. Casey Parks, Washington Post, 7 Apr. 2024 Fiber keeps you fuller for longer and regulates your appetite. Clare Mulroy, USA TODAY, 7 Apr. 2024 That's because their behavior is regulated by light levels. Vanessa Romo, NPR, 6 Apr. 2024 Dandelion can be Used at Home Dandelion plants or supplements can be used at home, although consumers should be aware that all supplements are loosely regulated by the FDA. Discover Magazine, 4 Apr. 2024 But food uses regulated by the FDA under the Federal Food, Drug and Cosmetic Act remain. Kristen Rogers, CNN, 4 Apr. 2024 Despite some controversy around the mountain of cash plowed into the club in the last couple of years, there is a growing expectation that the club will become self-sufficient as football operations regulate. Byryan Hogg, Fortune Europe, 3 Apr. 2024 The effort to secure more public funding for guardianship follows a series of stories by ProPublica last month highlighting how New York’s overtaxed and loosely regulated guardianship system is failing thousands of vulnerable people. Jake Pearson, ProPublica, 2 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'regulate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Late Latin regulatus, past participle of regulare, from Latin regula rule

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of regulate was in the 15th century

Dictionary Entries Near regulate

Cite this Entry

“Regulate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regulate. Accessed 19 Apr. 2024.

Kids Definition

regulate

verb
reg·​u·​late ˈreg-yə-ˌlāt How to pronounce regulate (audio)
regulated; regulating
1
a
: to govern or direct according to rule
b
: to bring under the control of authority
regulate prices
2
: to bring order or method to
regulate one's habits
3
: to fix or adjust the time, amount, degree, or rate of
regulate the pressure of a tire
the brain regulates the heartbeat
regulator
-ˌlāt-ər
noun
regulatory
-lə-ˌtōr-ē How to pronounce regulate (audio)
-ˌtȯr-
adjective
Etymology

from Latin regulatus, past participle of regulare "to regulate, direct," from regula "a rule, straightedge" — related to rail entry 1, regent, rule

Medical Definition

regulate

transitive verb
reg·​u·​late ˈreg-yə-ˌlāt How to pronounce regulate (audio)
regulated; regulating
1
: to control or direct according to rule or law
regulate the testing of experimental drugs
2
: to fix or adjust the time, amount, degree, or rate of
regulatory adjective

Legal Definition

regulate

transitive verb
reg·​u·​late
regulated; regulating
1
: to govern or direct according to rule
2
a
: to bring under the control of law
b
: to make regulations for or concerning

More from Merriam-Webster on regulate

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