9
observant(adjective, alert, attentive, watchful, sharp-eyed)
8
alert(adjective, intelligent, attentive, watchful, sharp-eyed)
8
keen-sighted(adjective, seeing, sighted)
7
farseeing
6
hawk-eyed
6
sharp-eyed(adjective, correct, alert, intelligent, attentive)
6
watchful(adjective, alert, intelligent, attentive, sharp-eyed)
4
discerning(adjective, correct, alert, intelligent, perceptive)
4
farsighted(adjective, seeing, sighted)
4
longsighted
4
sharp-sighted
4
vigilant(adjective, alert, intelligent, attentive, watchful)
3
clear-sighted(correct, alert, intelligent, perceptive, attentive)
3
on the lookout(expression, adjective, idiom)
3
sharp(adjective, alert, intelligent, perceptive, attentive)
3
wary
2
Argus-eyed
2
attentive(adjective, alert, intelligent, watchful, sharp-eyed)
2
guarded
2
lynx-eyed
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APASmart Define. (2015). eagle-eyed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/eagle-eyed/thesaurus/synonyms
ChicagoSmart Define. 2015. "eagle-eyed thesaurus" https://smartdefine.org/eagle-eyed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, eagle-eyed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/eagle-eyed/thesaurus/synonyms>.
MLASmart Define. "eagle-eyed thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/eagle-eyed/thesaurus/synonyms>