mon·i·tor
ˈmä-nə-tər 
1
a
: a student appointed to assist a teacher
b
: one that warns or instructs
monitors and instructors for troops green in the art of war—
New York Times
New 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
2
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
monitored; monitoring
ˈmä-nə-t(ə-)riŋ
: to watch, keep track of, or check usually for a special purpose
Nurses monitored the patient's heart rate.
Synonyms
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.
Recent Examples on the Web
Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
But the Sunday before Labor Day, Francis cut off his GPS ankle monitor and took an Uber to the border.
—Alex Riggins, The Mercury News, 4 Nov. 2024
Robert Salonga, The Mercury News, 15 Nov. 2024
Some member states have more institutional capacity and technical expertise than others and are better able to monitor sanctions compliance and go after bad actors.
—Agathe Demarais, Foreign Affairs, 14 Nov. 2024
See all Example Sentences for monitor 
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Noun
The state's Attorney General Ken Paxton had gone to federal court in an effort to block DOJ monitors out of eight Texas counties.
—Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
But the Sunday before Labor Day, Francis cut off his GPS ankle monitor and took an Uber to the border.
—Alex Riggins, The Mercury News, 4 Nov. 2024
Verb
According to detectives, on the same day the allegations were reported, the victim conducted a phone call with Torres — monitored by police — in which Torres admitted to abusing the victim and at least one other underage relative.
—Robert Salonga, The Mercury News, 15 Nov. 2024
Some member states have more institutional capacity and technical expertise than others and are better able to monitor sanctions compliance and go after bad actors.
—Agathe Demarais, Foreign Affairs, 14 Nov. 2024
See all Example Sentences for monitor
Dictionary Entries Near monitor
Cite this Entry
“Monitor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monitor. Accessed 29 Nov. 2024.
Copy CitationKids Definition
monitor
1 of 2 noun
mon·i·tor
ˈmän-ət-ər
1
a
: a student appointed to assist a teacher
b
: a person that warns or instructs
c
: one that monitors or is used in monitoring
especially
: a video screen used for display (as of television pictures or computer information)
2
3
a
: a heavily armored warship having low sides and revolving guns that was used against shipping in harbors and in river patrol
b
: a gunboat used to bombard coastal areas and riverbanks
monitor
2 of 2 verb
monitored; monitoring
ˈmän-ət-ə-riŋ
ˈmän-ə-triŋ
: to watch, observe, or check for a special purpose
monitor a broadcast for sound quality
Medical Definition
monitor
1 of 2 noun
mon·i·tor
ˈmän-ət-ər
: one that monitors
especially
: a device for observing or measuring a biologically important condition or function
a heart monitor
monitor
2 of 2 transitive verb
monitored; monitoring
ˈmän-ət-ə-riŋ, ˈmän-ə-triŋ
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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