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.

To resolve this, scientists usually propose that when a quantum system is measured or interacts with an observer, its wavefunction collapses into a single outcome.

From Science Daily • May 3, 2026

The composition creates the feeling that the viewer is something more than observer, and very nearly a part of the festive crowd.

From The Wall Street Journal • May 1, 2026

Harrison Phipps, 23, who has severe to profound hearing loss in both ears, is helped by an observer off the mat.

From BBC • Apr. 22, 2026

Jim Grant, the long-time markets observer, says there’s a big disconnect between official economic data and consumer perceptions of it.

From MarketWatch • Apr. 14, 2026

I will be good at spying, as I am an excellent observer.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman