observer

noun

ob·​serv·​er əb-ˈzər-vər How to pronounce observer (audio)
: one that observes: such as
a
: a representative sent to observe but not participate officially in an activity (such as a meeting or war)
b
: an expert analyst and commentator in a particular field
political observers

Examples of observer in a Sentence

According to one observer, the event was poorly organized. The star is not visible to an observer without a telescope. According to one military observer, this change comes after years of planning. Observers say the economy is improving. The class has an observer today, so please be on your best behavior.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
More than a few viewers and observers, even some who work in the television business, were surprised that local station owners Nexstar and Sinclair made the first move in the Jimmy Kimmel saga by pulling his show off their air. Dade Hayes, Deadline, 20 Sep. 2025 Political observers say those redistricting efforts are yet another way of doubling down on the political divide while erasing the middle. Amie Parnes, The Hill, 19 Sep. 2025 Back in 1991, Julie Mennella and Gary Beauchamp fed nursing mothers garlic, then had infants feed while observers recorded behavior. New Atlas, 19 Sep. 2025 The committee approved the quarter percentage point cut by an 11-1 margin, larger than some Wall Street observers had predicted given a seemingly wide range of views among officials. Jeff Cox, CNBC, 19 Sep. 2025 See All Example Sentences for observer

Word History

Etymology

observe + -er entry 2

First Known Use

circa 1550, in the meaning defined above

Time Traveler
The first known use of observer was circa 1550

Cite this Entry

“Observer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/observer. Accessed 24 Sep. 2025.

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