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.
And yet, for all the buoyancy onstage, Sultana’s party was already riven with deep divisions and suffering from self-defeating impulses familiar to observers of the American progressive left. Arash Azizi, The Atlantic, 4 Oct. 2025 Most observers are confident that a lowering of interest rates would likely lead to an immediate boost of confidence in an economic environment that remains uncertain. Nick Thomas, The Washington Examiner, 3 Oct. 2025 The pact is reportedly worth up to $150 million, although that pricetag has shocked industry observers as undoubtedly inflated by the desire of Paramount to bring Weiss, a former opinion writer for the New York Times, into the fold. Brian Steinberg, Variety, 3 Oct. 2025 Guides such as Eggleston place observers on sandbars at least 150 feet from the charismatic carnivores. Susan Portnoy, AFAR Media, 3 Oct. 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 9 Oct. 2025.

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