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.
Some observers see his comments as a calculated appeal to President Trump's business instincts. Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025 When the vintage-looking, oversize watch with a second time zone function debuted in 2015, some observers called it a deviation for the watchmaker, but the debonair design did attract fans. Robin Swithinbank, New York Times, 7 Apr. 2025 But some observers say such criticism is unlikely to phase Trump. Ian Swanson, The Hill, 6 Apr. 2025 While some observers thought Trump’s harsh foray Wednesday was the first stage in negotiations, China is clearly not backing down from the fight. Sj Staff, Sourcing Journal, 4 Apr. 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 14 Apr. 2025.

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