Eyeball
Mark
Mark verb - To attach an identifying slip to.
Mutual synonyms
Both words in one sentence
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And then, of course, they introduced Radar, which meant the radio could also help look for the enemy, instead of needing someone to spot him with the Mark One Eyeball first.
Source: Simple, yet Awesome - It had a hydraulically operated turret but no rangefinder, no radar, just the "Mark One Eyeball," a.k.a.
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Finally, all enemy electronics can be disabled by using an EMP, which makes the only method of detection the Mark One Eyeball.
Source: Enemy-Detecting Radar
Cite this Source
Mark and Eyeball. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/eyeball/mark
Eyeball & Mark. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/eyeball/mark>.
Mark or Eyeball. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/eyeball/mark.
Google Ngram Viewer shows how "eyeball" and "mark" have occurred on timeline