observer
Americannoun
-
someone or something that observes.
-
a delegate to an assembly or gathering, who is sent to observe and report but not to take part officially in its activities.
-
U.S. Air Force.
-
a member of an aircrew, other than the pilot, holding an aeronautical rating.
-
a person who maintains observation in an aircraft during flight.
-
-
Also called air observer,. Also called aircraft observer. U.S. Army. a person who serves in an aircraft as a reconnoiterer and directs artillery fire.
Other Word Forms
- interobserver noun
- observership noun
Etymology
Origin of observer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That was the moment I stopped being only an observer.
From Los Angeles Times • Mar. 11, 2026
An observer who saw their computer described it as a “machine that uses intelligence.”
From The Wall Street Journal • Mar. 10, 2026
The untrained observer might also wonder why private companies with shareholders wouldn’t try to maximize profits by charging as much as they could.
From MarketWatch • Mar. 10, 2026
A legal observer said the court would most likely sentence Yoon to life in prison.
From Barron's • Feb. 19, 2026
So one has a set of events, a region of space-time, from which it is not possible to escape to reach a distant observer.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
