sharp-sightedness
Học thuậtThân thiện
A hawk's sharp-sightedness allows it to spot a small mouse in the field from high above.
Definition
Noun: 1. Lively attentiveness; keen perception: The quality of being very alert, observant, and quick to notice details. 2. Sharpness of vision; visual acuity: The physical ability of the eyes to see fine details clearly, often measured formally (e.g., by an eye chart).
Usage
- Sharp-sightedness is an uncountable noun used to describe a high degree of attentiveness or visual clarity.
- It is a formal or descriptive term. In everyday medical contexts, "visual acuity" is more common for the second meaning.
- It can be used in both literal (physical vision) and figurative (mental perception) contexts.
Examples
- Figurative (Attentiveness):
- The detective's sharp-sightedness allowed him to spot the crucial clue everyone else had missed.
- Her sharp-sightedness in business matters helped the company avoid several poor investments.
- Literal (Vision):
- The job of a proofreader requires exceptional sharp-sightedness to catch tiny typographical errors.
- The eagle's legendary sharp-sightedness is essential for hunting prey from great heights.
Advanced Usage
- The term can be used in a metaphorical sense to describe intellectual or situational awareness, not just physical sight.
- The historian's sharp-sightedness regarding cultural trends provided a unique analysis of the era.
Variants and Related Words
- Sharp-sighted (adjective): Having sharp sight or keen perception.
- The sharp-sighted editor found the inconsistency immediately.
- Eagle-eyed (adjective): An idiomatic synonym meaning having very sharp vision or being extremely observant.
- Visual Acuity (noun): The technical term for sharpness of vision.
- Keenness (noun): Sharpness or intensity, which can overlap with the figurative sense of sharp-sightedness.
- Observant (adjective): Quick to notice things.
Synonyms
- Acuteness
- Perceptiveness
- Alertness
- Keen-eyedness
Antonyms
- Unobservant
- Obliviousness
- Poor eyesight
- Blurred vision
A hawk's sharp-sightedness allows it to spot a small mouse in the field from high above.
Noun
- lively attentiveness
- sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)