Also found in: Thesaurus.
1. Having keen eyesight.
2. Keenly perceptive or alert.
Switch to new thesaurus
|Noun||1.||sharp-sightedness - sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)|
20/20, twenty-twenty - normal visual acuity, as measured by the ability to read charts at a distance of 20 feet
oxyopia - unusually acute vision
|2.||sharp-sightedness - lively attentiveness |
attentiveness - the trait of being observant and paying attention