Observe
Observe verb - To make note of (something) through the use of one's eyes.
Usage example: she observed that the weather had changed again
Sight
Sight verb - To make note of (something) through the use of one's eyes.
Usage example: the crew felt a rush of excitement upon hearing that the lookout had sighted land
Observe is a synonym for sight in see topic. You can use "Observe" instead a verb "Sight", if it concerns topics such as spot, glimpse.
Mutual synonyms
Both words in one sentence
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Soo-Hyeok is sometimes seen handling a sniper's telescopic sight, using them to observe targets or to call in artillery strikes.
Source: Film / The Front Line -
She also is helping to shape Tommen into The Good King, advising him to ride in sight of his subjects and observe the small council to see how things are run (though Cersei forbids them from doing those.)
Source: The High Queen - In Tamora Pierce's Tortall Universe, characters with the Sight can observe use of the Gift.
Source: Supernatural Sensitivity
Cite this Source
Sight and Observe. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/observe/sight
Observe & Sight. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/observe/sight>.
Sight or Observe. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/observe/sight.
Google Ngram Viewer shows how "observe" and "sight" have occurred on timeline