control

verb
con·​trol | \kən-ˈtrōl \
controlled; controlling

Definition of control 

(Entry 1 of 2)

transitive verb

1a archaic : to check, test, or verify by evidence or experiments

b : to incorporate suitable controls in a controlled experiment

2a : to exercise restraining or directing influence over : regulate control one's anger

b : to have power over : rule A single company controls the industry.

c : to reduce the incidence or severity of especially to innocuous levels control an insect population control a disease

intransitive verb

: to incorporate controls in an experiment or study used with for control for socioeconomic differences

control

noun, often attributive

Definition of control (Entry 2 of 2)

1a : an act or instance of controlling also : power or authority to guide or manage He took control of the family business.

b : skill in the use of a tool, instrument, technique, or artistic medium a singer's control of her voice

c : the regulation of economic activity especially by government directive usually used in plural price controlsrent controls

d : the ability of a baseball pitcher to control the location of a pitch within the strike zone

2 : restraint, reserve exercised control of his passions

3 : one that controls: such as

a(1) : an experiment in which the subjects are treated as in a parallel experiment except for omission of the procedure or agent under test and which is used as a standard of comparison in judging experimental effects

called also control experiment

(2) : one (such as an organism, culture, or group) that is part of a control

b : a device or mechanism used to regulate or guide the operation of a machine, apparatus, or system the controls of the aircraft

c : an organization that directs a spaceflight mission control

d : a personality or spirit believed to actuate the utterances or performances of a spiritualist medium

4 or less commonly Control : control key

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Other Words from control

Verb

controllability \ kən-​ˌtrō-​lə-​ˈbi-​lə-​tē \ noun
controllable \ kən-​ˈtrō-​lə-​bəl \ adjective
controlment \ kən-​ˈtrōl-​mənt \ noun

Choose the Right Synonym for control

Verb

conduct, manage, control, direct mean to use one's powers to lead, guide, or dominate. conduct implies taking responsibility for the acts and achievements of a group. conducted negotiations manage implies direct handling and manipulating or maneuvering toward a desired result. manages a meat market control implies a regulating or restraining in order to keep within bounds or on a course. controlling his appetite direct implies constant guiding and regulating so as to achieve smooth operation. directs the store's day-to-day business

Noun

power, authority, jurisdiction, control, command, sway, dominion mean the right to govern or rule or determine. power implies possession of ability to wield force, authority, or influence. the power to mold public opinion authority implies power for a specific purpose within specified limits. granted the authority to manage her estate jurisdiction applies to official power exercised within prescribed limits. the bureau having jurisdiction over parks control stresses the power to direct and restrain. you are responsible for the students under your control command implies the power to make arbitrary decisions and compel obedience. the army officer in command sway suggests the extent of exercised power or influence. the empire extended its sway over the region dominion stresses sovereign power or supreme authority. given dominion over all the animals

Examples of control in a Sentence

Verb

The parents could not control their child. The police controlled the crowd. The small boy could not control the big dog. Her family controls the business. One country controls the whole island. The rebel army now controls nearly half the country. The lights on stage are controlled by this computer. She struggled to control the cart as it rolled before her down the steep, bumpy road. He controlled the volume by turning the radio's knob. A thermostat controls the room's temperature.

Noun

The city wanted local control of education. The tribes fought for control over the territory. He took control of the family farm. She hired an accountant to take control of her money. He lost all muscle control in his left arm. The soccer player showed good control of the ball. a teacher with good control of her students The farmer used an organic pest control on his crops. To cut down on competition, the government passed price controls on prescription drugs. The President wants stricter controls on immigration.
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Recent Examples on the Web: Verb

Heitkamp is on the ballot this year, and her race against Republican Kevin Cramer could help decide which party controls the Senate. German Lopez, Vox, "Trump complained about voter suppression. But it’s Republicans doing the suppressing.," 5 Nov. 2018 The raid, announced Tuesday, was seen as an attempt to ratchet up pressure on the company, which controls 72 percent of the e-cigarette market in the United States and whose products have become popular in high schools. Jan Hoffman, The Seattle Times, "FDA seizes documents from e-cigarettes maker Juul Labs," 2 Oct. 2018 Key to this vision is controlling how cells sense and respond to their environments, says Christopher Voigt, a bioengineer at MIT and co-founder of Asimov, a biotech startup that Nielsen leads. Eric Smalley, Discover Magazine, "Cellular Cyborgs: How Programmable DNA Strands Might Control Healing," 25 Sep. 2018 The National Front in recent months gained control of territory in Idlib from HTS, which still controls nearly 70 percent of the province. Fox News, "Last stand: Syria's rebel Idlib prepares for a losing battle," 16 Sep. 2018 Tiny spider mites cause yellow-stippled leaves; control these pests by knocking them off the plant with a spray of water. The Editors, Good Housekeeping, "The Secret to Growing the Most Flavorful Eggplants," 27 July 2018 If the fire seems even a smidge too big or intimidating to control, get out and call 911. Carolyn L. Todd, SELF, "Emergency Responders Share 9 of the Biggest Death Traps in Your Home," 14 July 2018 At the time, the town of Money was controlled by a white minority and much of the black population, including Wright, were sharecroppers. Gabby Raymond, Time, "The Justice Department Has Reopened Its Investigation of Emmett Till's Murder. Here Are 5 Things to Know About the Case," 12 July 2018 The trucks can also be controlled by a remote operator who is located hundreds of miles away using Phantom Auto’s teleoperation technology. Andrew J. Hawkins, The Verge, "This electric driverless logging truck can carry up to 16 tons of timber," 12 July 2018

Recent Examples on the Web: Noun

In the past, the delta ecology was mostly overlooked as government officials prioritized flood controls and the region’s economic growth. Nate Berg, Curbed, "Can engineering save Louisiana’s coastline?," 7 Nov. 2018 Women played a major role—both as candidates and voters—when Democrats seized control of the House of Representatives from Republicans in Tuesday’s tumultuous midterm elections. Celeste Katz, Glamour, "Democrats Won Back the House—They Have Women to Thank for That," 7 Nov. 2018 The European Union warned Trump to assess the potential impact of abandoning a 40-year-old arms control agreement. Fox News, "Treaty exits and extensions top Trump adviser's Moscow talks," 23 Oct. 2018 The BepiColombo payload will be deployed about 26 minutes into flight and will signal mission control about 15 minutes after that. Meghan Bartels, Space.com, "BepiColombo, the First Mercury Mission in 14 Years, Launches Tonight — Watch Live!," 19 Oct. 2018 One of my big focuses in training is on bleeding control. As Told To Beth Dreher And Elissa Sanci, Woman's Day, "How to Keep Our Kids Safe in School as the Gun Debate Rages On," 25 Sep. 2018 Elliott is on the verge of his first Cup Series win, Kyle Larson is bound to have his first 2018 victory, but Ford and Toyota have control of the series. Michelle R. Martinelli, For The Win, "6 reasons 2018 is one of the weirdest NASCAR seasons," 12 July 2018 Davis warned May her approach will just lead to further demands from Brussels and will give Europe control of large swaths of the British economy. Author: William Booth, Karla Adam, Anchorage Daily News, "Theresa May's government in disarray after shock resignation by Brexit minister," 9 July 2018 Republicans are trying to unseat the state's senior senator, Democrat Bill Nelson, and maintain control of Congress. Jenny Staletovich, miamiherald, "Political muscle halts release of Lake O's foul water. The reprieve won't last long," 9 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'control.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of control

Verb

1523, in the meaning defined at sense 1a

Noun

1565, in the meaning defined at sense 1a

History and Etymology for control

Verb

Middle English countrollen, from Anglo-French contrerouler, from contreroule copy of an account, audit, from Medieval Latin contrarotulus, from Latin contra- + Medieval Latin rotulus roll — more at roll

Noun

see control entry 1

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Statistics for control

Last Updated

14 Nov 2018

Look-up Popularity

Time Traveler for control

The first known use of control was in 1523

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More Definitions for control

control

verb

English Language Learners Definition of control

 (Entry 1 of 2)

: to direct the behavior of (a person or animal) : to cause (a person or animal) to do what you want

: to have power over (something)

: to direct the actions or function of (something) : to cause (something) to act or function in a certain way

control

noun

English Language Learners Definition of control (Entry 2 of 2)

: the power to make decisions about how something is managed or done

: the ability to direct the actions of someone or something

: an action, method, or law that limits the amount or growth of something

control

verb
con·​trol | \kən-ˈtrōl \
controlled; controlling

Kids Definition of control

 (Entry 1 of 2)

1 : to have power over "Ah, gods, plural, as in, great beings that control the forces of nature and human endeavors…"— Rick Riordan, The Lightning Thief

2 : to direct the actions or behavior of Police can control a crowd.

3 : to keep within bounds : restrain Learn to control your temper.

4 : to direct the function of How do you control this machine?

control

noun

Kids Definition of control (Entry 2 of 2)

1 : the power or authority to manage The city wanted local control of education.

2 : ability to keep within bounds or direct the operation of The fire is out of control. He lost control of the car.

3 : self-restraint I lost control and started yelling.

4 : regulation sense 2 price controls

5 : a device used to start, stop, or change the operation of a machine or system a radio control

6 : something that is not treated or exposed to testing in an experiment in order to serve as a comparison to others that have undergone treatment or exposure

control

verb
con·​trol | \kən-ˈtrōl \
controlled; controlling

Medical Definition of control 

(Entry 1 of 2)

transitive verb

1 : to incorporate suitable controls in a controlled experiment

2 : to reduce the incidence or severity of especially to innocuous levels control an insect population a vaccine for controlling outbreaks of cholera

intransitive verb

: to incorporate controls in an experiment or study used with for failure to control for the difference in the rate of smoking between the two groups— Howard Bauchner et al

control

noun

Medical Definition of control (Entry 2 of 2)

1 : an act or instance of controlling something control of acute intermittent porphyria

2 : one that is used in controlling something: as

a : an experiment in which the subjects are treated as in a parallel experiment except for omission of the procedure or agent under test and which is used as a standard of comparison in judging experimental effects

called also control experiment

b : one (as an organism, culture, or group) that is part of a control

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control

transitive verb
con·​trol
controlled; controlling

Legal Definition of control 

1 : to exercise restraining or directing influence over especially by law

2 : to have power or authority over precedent controls the outcome in this case

3 : to have controlling interest in

Other Words from control

control noun

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Comments on control

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