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.

Keep scrolling for more

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

Visit the Thesaurus for More 

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.
See More
Recent Examples on the Web: Noun The League of Legends room contains a few chairs, with a pair of TV monitors broadcasting a portion of the action on a delay. Luke Winkie, The Atlantic, "Where Gamers Are the Only Varsity Athletes," 13 Nov. 2019 Troconis has also posted two bonds of $500,000 and $100,000, and is currently also free and wearing a GPS monitor. Dave Altimari, courant.com, "After brief court appearance, Fotis Dulos says all he wants us to do is see his children. His estranged wife is still missing.," 6 Nov. 2019 Woodruff was released from juvenile detention two days later, on Oct. 17, and required to wear an ankle monitor, according to the neighbors who spoke with officers. oregonlive, "Beatings, burglaries, murder: Teens terrorized N. Portland for months, neighbors say," 2 Nov. 2019 As part of his bond, Cleveland Municipal Court Judge Jazmin Torres-Lugo ordered Davidson-Dixon to have no contact with his wife and wear a GPS monitor. Cory Shaffer, cleveland, "Ex-East Cleveland police officer featured in Serial podcast arrested on felony domestic violence charge," 31 Oct. 2019 DeKalb County Superior Court Judge LaTisha Dear Jackson set bond for Olsen at $80,000, ordered him to wear an ankle monitor and imposed a dusk-to-dawn curfew in effect until his sentencing Nov. 1. Kate Brumback, chicagotribune.com, "Georgia officer who shot an unarmed, naked man found not guilty of murder," 14 Oct. 2019 DeKalb County Superior Court Judge LaTisha Dear Jackson set bond for Olsen at $80,000, ordered him to wear an ankle monitor and imposed a dusk-to-dawn curfew in effect until his sentencing Nov. 1. Kate Brumback, San Diego Union-Tribune, "Officer who shot naked man found not guilty of murder," 14 Oct. 2019 DeKalb County Superior Court Judge LaTisha Dear Jackson set bond for Olsen at $80,000, ordered him to wear an ankle monitor and imposed a dusk-to-dawn curfew that will be in effect until his sentencing on November 1. CBS News, "Split verdict in trial of ex-cop who fatally shot unarmed, naked veteran," 14 Oct. 2019 Several months ago, Walker was released on a $100,000 surety bond and ordered to wear the GPS monitor, provided by a company called Guarding Public Safety. Fox News, "Texas company removes murder suspect's GPS monitor due to unpaid fees without telling authorities: officials," 7 Oct. 2019 Recent Examples on the Web: Verb Pension shortfalls are common across America, with the average public scheme monitored by the CRR just 72.4% funded. The Economist, "America’s public-sector pension schemes are trillions of dollars short," 14 Nov. 2019 Their welfare will be monitored by a bioethicist and a panel of animal welfare advisers. NBC News, "Old dogs, new tricks: 10,000 pets needed for science," 14 Nov. 2019 No evidence that the sites were monitored by the city or any representatives during all phases of the demolition and backfill process. Kat Stafford, Detroit Free Press, "Detroit demolition program mismanaged, riddled with problems, auditor says," 8 Nov. 2019 The incident is also being monitored by the Police Department’s Internal Affairs Unit, the San Jose City Attorney’s Office and the San Jose’s Independent Police Auditor’s Office. Lauren Hernández, SFChronicle.com, "San Jose man had airsoft replica Beretta handgun when fatally shot by police, SJPD chief says," 5 Nov. 2019 Rouhani added that the new activities would be monitored by the International Atomic Agency's (IAEA), the UN nuclear watchdog overseeing Iran's compliance with the deal. Eliza Mackintosh, CNN, "Iran makes move on centrifuges, further unraveling nuclear deal," 5 Nov. 2019 Progress is tracked and monitored remotely by a physical therapist. David Petkiewicz, cleveland, "Lindsay Watson, Cleveland HomeGrown Heroes winner for Augmented Reality (video)," 4 Nov. 2019 This dystopian surveillance technology threatens to fundamentally alter our free society into one where we're treated as suspects to be tracked and monitored by the government 24/7. Kate Cox, Ars Technica, "ACLU sues feds to get information about facial-recognition programs," 31 Oct. 2019 Treatment should always be monitored by a physician and may include: prescriptive and other therapies, exercise, diet, sleep habits, changes in behavior and daily routines. Mike Oliver | Moliver@al.com, al, "10 things you should know about Lewy body dementia," 30 Oct. 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.

See More

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

Keep scrolling for more

Learn More about monitor

Statistics for monitor

Last Updated

17 Nov 2019

Time Traveler for monitor

The first known use of monitor was in 1530

See more words from the same year

Keep scrolling for more

More Definitions for monitor

monitor

noun
How to pronounce monitor (audio)

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
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

Keep scrolling for more

Comments on monitor

What made you want to look up monitor? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the exactly right word or phrasing

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • rotelle pasta
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!