Synonyms|34Antonyms|1|Broader|1Narrower|0Related|19
7
sharp-eyed
4
hawk-eyed
4
observant
3
watchful
2
on guard
2
on the lookout(expression, adjective, idiom)
2
perceptive
2
vigilant
1
alert
1
all ears
1
custodial
1
eagle-eyed
1
guarded
1
lynx-eyed
1
open-eyed
1
perspicacious
1
prudent
1
sharp
1
sharp-sighted
1
sleepless
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APASmart Define. (2015). keen-eyed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/keen-eyed/thesaurus/synonyms
ChicagoSmart Define. 2015. "keen-eyed thesaurus" https://smartdefine.org/keen-eyed/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, keen-eyed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/keen-eyed/thesaurus/synonyms>.
MLASmart Define. "keen-eyed thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/keen-eyed/thesaurus/synonyms>