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1. Having keen eyesight.
2. Keenly perceptive or alert.

sharp′-sight′ed·ly adv.
sharp′-sight′ed·ness n.


having keen vision; sharp-eyed
ˌsharp-ˈsightedly adv
ˌsharp-ˈsightedness n


having keen sight or perception.
ThesaurusAntonymsRelated WordsSynonymsLegend: - having very keen visionsharp-sighted - having very keen vision; "quick-sighted as a cat"
sighted - able to see - keenly perceptive or alert; "quick-sighted into the faults of the time"- Leonard Bacon
perceptive - having the ability to perceive or understand; keen in discernment; "a perceptive eye"; "a perceptive observation"
References in classic literature ?
There is a lake down there below us, and anyone who bathes in it, though he were at death's door, becomes sound and well on the spot, and those who wash their eyes with the dew on this hill become as sharp-sighted as the eagle, even if they have been blind from their youth.
The movements of the leaders, as they groped their way, had been descried by the sharp-sighted enemy.
Might it not thus readily be overlooked When an animal is killed by the sportsman in a lonely valley may he not all the while be watched from above by th sharp-sighted bird?