1
quick(adjective, alert, intelligent, perceptive, attentive)
1
ready(adjective, vigilant)
1
responsible(adjective, vigilant)
1
scrupulous(adjective, vigilant)
1
searching(adjective, correct, alert, intelligent, attentive)
1
sensitive(adjective, correct, alert, intelligent, attentive)
1
shrewd
1
sighted
1
sleepless
1
strict(adjective, vigilant)
1
surveying(adjective, correct, alert, intelligent, attentive)
1
telescopic
1
understanding(adjective, correct, alert, intelligent, attentive)
1
wide-awake(adjective, alert, intelligent, perceptive, attentive)
1
with open eyes(expression, idiom)
0
X-ray eye
0
across the board(expression, idiom, sympathetic, witting, all-embracing)
0
all-embracing(sympathetic, witting)
0
all around(expression, sympathetic, witting, all-embracing)
0
all heart(expression, sympathetic, witting, all-embracing)
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APASmart Define. (2015). sharp-eyed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sharp-eyed/thesaurus/synonyms
ChicagoSmart Define. 2015. "sharp-eyed thesaurus" https://smartdefine.org/sharp-eyed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sharp-eyed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sharp-eyed/thesaurus/synonyms>.
MLASmart Define. "sharp-eyed thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/sharp-eyed/thesaurus/synonyms>