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Definitions

monitor

[mon-i-ter] / ˈmɒn ɪ tər /
NOUN
person who watches, oversees
Synonyms
STRONGEST
auditor
STRONG
adviser counselor director guide informant invigilator listener overseer supervisor watchdog
WEAK
eavesdropper
VERB
listen, watch carefully
Synonyms
STRONGEST
audit check control follow keep an eye on observe oversee scan supervise survey track
STRONG
advise counsel record
WEAK
keep track of
Antonyms
STRONGEST
ignore neglect
WEAK
forget

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Although his health appears good at this time, he is at a delicate stage, and the Zoo will monitor him closely as he grows,” the Oakland Zoo said in a statement Thursday.

From Los Angeles Times • Apr. 3, 2026

This week Thailand's second city, Chiang Mai, regularly topped the IQAir monitor website's most polluted big cities list.

From Barron's • Apr. 3, 2026

The boxes will monitor driving habits, such as speed and braking, and will provide a weekly rating.

From BBC • Apr. 1, 2026

That’s for at least two reasons, according to some of the newsletter editors I regularly monitor.

From MarketWatch • Apr. 1, 2026

Like Brugman, Swanson, and Johnston, CVO scientists also monitor active volcanoes through ground deformation, seismic activity, and gas emissions.

From "Mountain of Fire" by Rebecca E. F. Barone

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.