sharp-sightedness

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sharp-sightedness

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
sharp-sightedness

A hawk's sharp-sightedness allows it to spot a small mouse in the field from high above.

Noun
  1. lively attentiveness
  2. sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)