Keep an eye on
Keep an eye on verb - Follow with the eyes or the mind.
Mark and keep an eye on are semantically related. in look at topic. In some cases you can use "Mark" instead a verb "Keep an eye on", when it comes to topics like attend.
Mark
Mark verb - To attach an identifying slip to.
Keep an eye on and mark are semantically related. Sometimes you can use "Keep an eye on" instead a verb "Mark".
Both terms in one sentence
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Broyles says that while they'll keep an eye on him, he believes some people make a mark on others that cannot be erased.
Source: Series / Fringe - Well, they're actually there to keep an eye on their mark, but they do meet Verity, who becomes a recurring character, and possible BFF, later.
Source: Speed Dating - Usually, Sophie poses as a guest in order to get information from the mark or just distract them, Nathan poses as a guest to keep an eye on events and give orders as necessary, and Eliot poses as a janitor or other staff so he can leap in if the situation becomes violent.
Source: Black-Tie Infiltration
Cite this Source
Mark and Keep an eye on. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/keep_an_eye_on/mark
Keep an eye on & Mark. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/keep_an_eye_on/mark>.
Mark or Keep an eye on. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/keep_an_eye_on/mark.
