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.
Any serious observer of foreign policy knows that the U.S. intelligence community is renowned for its research and documentation of genocide. Reader Commentary, Baltimore Sun, 27 May 2025 Li, had helped build a major data infrastructure and processing system for Wachovia, then one of America's largest banks, and had been a keen observer of startups like WeChat and Alibaba that had transformed payments and banking in his native China. Stephen Pastis, Forbes.com, 27 May 2025 What if Fielder is so disturbed by his own dysfunction, and outside observers’ attempt to taxonomize it, that disproving their analysis drives him to increasingly over-the-top acts of one-upsmanship? Alison Herman, Variety, 26 May 2025 Many legal observers expect the case will ultimately need to be settled by the Supreme Court, which 90 years ago carved out the ability for Congress to protect some independent agency leaders from being fired without cause. Zach Schonfeld, The Hill, 22 May 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 5 Jun. 2025.

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