observer

noun

ob·​serv·​er əb-ˈzər-vər How to pronounce observer (audio)
Synonyms of observernext
: 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.
Daniels, an office administrator working in the metro area, had recently completed legal observer training and was participating in rapid response work for the second time. Alessandra Schade, Time, 14 Feb. 2026 Fennell also cut the novel’s frame story, in which the events of the story are told by the housekeeper Nelly (played in the movie by Hong Chau) to an outside observer years after all the sorrowful drama that befouled Heathcliff and Cathy. Wilson Chapman, IndieWire, 13 Feb. 2026 For observers within that path, daylight will briefly give way to darkness, temperatures will dip, and the sun's outer atmosphere — the corona — will become visible to the naked eye. Jamie Carter, Space.com, 13 Feb. 2026 After ice dancing duo Madison Chock and Evan Bates won a silver medal on Wednesday, some observers pointed out inconsistencies in the sport’s judging system, including the scores awarded by a judge from France to the eventual French winners. Marissa Martinez, NBC news, 13 Feb. 2026 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 16 Feb. 2026.

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