monitor

noun
mon·​i·​tor | \ ˈmä-nə-tər How to pronounce monitor (audio) \

Definition of monitor

 (Entry 1 of 2)

1a : a student appointed to assist a teacher
b : one that warns or instructs monitors and instructors for troops green in the art of warNew York Times
c : one that monitors or is used in monitoring: such as
(1) : an electronic device with a screen used for display (as of television pictures or computer information)
(2) : a device for observing a biological condition or function a heart monitor

3 [ Monitor, first ship of the type ]

a : a heavily armored warship formerly used in coastal operations having a very low freeboard and one or more revolving gun turrets
b : a small modern warship with shallow draft (see draft entry 1 sense 8) for coastal bombardment
4 : a raised central portion of a roof having low windows or louvers for providing light and air

monitor

verb
monitored; monitoring\ ˈmä-​nə-​t(ə-​)riŋ How to pronounce monitoring (audio) \

Definition of monitor (Entry 2 of 2)

transitive verb

: to watch, keep track of, or check usually for a special purpose Nurses monitored the patient's heart rate.

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Other Words from monitor

Noun

monitorial \ ˌmä-​nə-​ˈtȯr-​ē-​əl How to pronounce monitorial (audio) \ adjective
monitorship \ ˈmä-​nə-​tər-​ˌship How to pronounce monitorship (audio) \ noun

Synonyms for monitor

Synonyms: Verb

cover, watch

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Examples of monitor in a Sentence

Noun

They watched the press conference on a video monitor in a back room. We put a baby monitor in the nursery. U.N. weapons monitors and inspectors.

Verb

Nurses constantly monitored the patient's heart rate. We're in a good position to monitor and respond to customer concerns. Government agents have been monitoring the enemy's radio communications.
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Recent Examples on the Web: Noun

Though those diplomatic efforts failed, there was still a U.S. special envoy for hostage affairs present in court last week as a monitor. Los Angeles Times, "ASAP Rocky flexes his freedom at Kanye West’s Sunday Service," 5 Aug. 2019 Essentially a tiny, highly sensitive pressure monitor, Activ5 isolates and fatigues muscles by challenging you to squeeze it, with variable control, over an extended period. Zachary Lewis, cleveland.com, "Activ5 device packs big punch as ‘tiny gym in your pocket’: Stretching Out," 1 Aug. 2019 The mom’s attorney says the grandmother could serve as a monitor for the visits, relieving the need for an aide and giving the children time with their mother. Mary Jo Pitzl, azcentral, "These courts must protect kids' privacy. They also must be public. Can it be done?," 31 July 2019 After the cashier refused to do the return, the suspect threw a bag at her, hitting a monitor. Jake Richardson, The Mercury News, "Campbell crime report for the week of Aug. 9," 31 July 2019 The man is seen violently shaking the drive-through cash drawer, which causes a computer monitor to fall off a stand and hit the ground. Cody Boteler, baltimoresun.com, "Baltimore County police seek identity of ‘Burger King burglar’," 23 July 2019 They’d be squished into their seats from g-forces several times stronger than gravity and a brain monitor would measure their reaction. National Geographic, "Episode 7: The Glass Stratosphere," 23 July 2019 The judge in those cases, Sherwood Coleman, appointed a court monitor to investigate both cases and report any findings, Thompson said. David Harris, orlandosentinel.com, "Orlando guardian accused of filing unauthorized ‘do not resuscitate’ orders resigns from Seminole cases," 19 July 2019 Andrade said equipment also needs to be replaced periodically, giving the example of a cardiac monitor costing $35,000 with a 10-year replacement cycle. Julie Gallant, Ramona Sentinel, "District raises water and sewer rates, despite protests," 18 July 2019

Recent Examples on the Web: Verb

Goldsmith has said that investigators monitored or recorded several meetings and phone calls and obtained call records, including emails and texts. Washington Post, "Ex-St. Louis County executive gets nearly 4 years in prison," 9 Aug. 2019 Bollo will chase out the offending seagulls while Feliciano monitors the situation. Ben Brazil, Daily Pilot, "Falconers keep Orange County from being overrun by birds," 8 Aug. 2019 Stone adds that Potter's side have been monitoring 28-year-old all summer, with the former St Mirren man likely to add some steel to a midfield that finished narrowly above the relegation zone last season, just two points clear of the drop. SI.com, "Brighton Confident of Signing Aaron Mooy From Huddersfield Ahead of Transfer Deadline," 8 Aug. 2019 Both the mayor and Infante-Green denied having a hand in the poll, as did officials at various nonprofits and public relations firms who are closely monitoring the state’s takeover of Providence schools. Dan Mcgowan, BostonGlobe.com, "Someone just polled Providence schools. The questions were fascinating.," 7 Aug. 2019 Downing said event organizers are now monitoring social media geographically, keeping tabs on those at or near concerts and sporting events. Richard Winton, Los Angeles Times, "Can we make Walmarts and other public spaces safer? Mass shootings show vulnerable ‘soft targets’," 6 Aug. 2019 Earlier, White House officials said the president had been monitoring the situation. Loyd Brumfield, Dallas News, "El Paso native Beto O'Rourke rushes back home as Texans, others react to massacre," 3 Aug. 2019 The next day, an unnamed senior White House official told reporters that the US was monitoring a buildup of Chinese military units and armed police on Hong Kong’s border. Alex Ward, Vox, "China signals possible military intervention to stop the Hong Kong protests," 1 Aug. 2019 Christine Terwilliger, the lawyer for the state, said that a case manager must monitor the calls because officials fear Christine Dixon will again try to give Kylee instructions on how to escape foster care. oregonlive.com, "Wilsonville mom loses bid to treat 13-year-old’s cancer with CBD, not surgery," 1 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monitor.' 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 monitor

Noun

1530, in the meaning defined at sense 1a

Verb

1924, in the meaning defined above

History and Etymology for monitor

Noun and Verb

Latin, one that warns, overseer, from monēre to warn — more at mind

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Statistics for monitor

Last Updated

11 Aug 2019

Look-up Popularity

Time Traveler for monitor

The first known use of monitor was in 1530

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More Definitions for monitor

monitor

noun

English Language Learners Definition of monitor

 (Entry 1 of 2)

: a device that shows information or images on a screen
: a device that is used to listen to sounds being made in another room
: a device that shows and records information about a condition or function of the body

monitor

verb

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

: to watch, observe, listen to, or check (something) for a special purpose over a period of time

monitor

noun
mon·​i·​tor | \ ˈmä-nə-tər How to pronounce monitor (audio) \

Kids Definition of monitor

 (Entry 1 of 2)

1 : a video screen used for display (as of television pictures or computer information)
2 : a student in a school picked for a special duty (as keeping order)
3 : a person or thing that watches or checks something a heart monitor

monitor

verb
monitored; monitoring

Kids Definition of monitor (Entry 2 of 2)

: to watch or check for a special reason Nurses monitored the patient's heart rate.

monitor

noun
mon·​i·​tor | \ ˈmän-ət-ər How to pronounce monitor (audio) \

Medical Definition of monitor

 (Entry 1 of 2)

: one that monitors especially : a device for observing or measuring a biologically important condition or function a heart monitor

monitor

transitive verb
monitored; monitoring\ ˈmän-​ət-​ə-​riŋ, ˈmän-​ə-​triŋ How to pronounce monitoring (audio) \

Medical Definition of monitor (Entry 2 of 2)

1 : to watch, observe, or check closely or continuously monitor a patient's vital signs
2 : to test for intensity of radiations especially if due to radioactivity

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Comments on monitor

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