Eye
Eye verb - To keep one's eyes on.
Usage example: a lot of his backyard bird watching was spent eyeing the squirrels as they depleted the bird feeder of seeds
Observe is a synonym for eye in look at topic. In some cases you can use "Observe" instead a verb "Eye", when it comes to topics like awareness.
Mutual synonyms
Both words in one sentence
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In the past, it was thought that all of matter could be classified into easily viewable "elements" that one can observe with the naked eye.
Source: Elemental Powers -
Then there was the time Batman himself created the "Brother MK 1"/"Brother Eye" satellite to "observe" all of the supertypes of The DCU.
Source: Big Brother Is Watching -
Skip to page 10 here and observe Eating the Eye Candy: Played with via literal inversion.
Source: Creator / Pamela Anderson
Cite this Source
Observe and Eye. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/eye/observe
Eye & Observe. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/eye/observe>.
Observe or Eye. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/eye/observe.
Google Ngram Viewer shows how "eye" and "observe" have occurred on timeline