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Definition of monitor

monitor

/ˈmɑːnɪtər/
mon · i · tor

Plural:monitors
•
Adjective:monitorial
•
Past Simple:monitored
•
Past Participle:monitored
•
Present Participle:monitoring
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monitor Lexical Profile

monitor Game Scores & Validity

• noun

1

A display screen used to provide visual output from a computer, camera, or other electronic device.

Example

"She bought a second monitor to make editing video files more efficient."


2

A device or person that observes, checks, or keeps a continuous record of a process, condition, or quantity.

Example

"The patient was hooked up to a heart monitor overnight."


3

A large carnivorous lizard of the family Varanidae, native to Africa, Asia, and Oceania, featuring a long neck, fully developed limbs, and a powerful tail.

Example

"The Komodo dragon is the largest species of monitor lizard in the world."

Synonyms
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• verb

1

To observe and check the progress or quality of something over a period of time; to keep under systematic review.

Example

"The environmental agency continuously monitors the air quality in the city center."


2

To continuously listen to or record telecommunications or radio broadcasts to gather intelligence or ensure compliance.

Example

"Intelligence officers monitored the radio frequencies for any signs of enemy movement."

Synonyms
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Antonyms
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• Rhymes for monitor

Word Origin & Etymology

From Latin 'monitor' meaning 'instructor, guide, or prompter', from the verb 'monere' (to warn, advise). The sense expanded over time to denote various regulating devices and eventually computer screens.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Monitor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/monitor
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