Definition

1. Adjective:
   • Capable of seeing to a great distance: Having the visual ability to perceive objects or details clearly from far away.
   • Having very keen vision: Possessing exceptionally sharp, acute, or powerful eyesight.
   • Quick-sighted: Able to see and notice things rapidly and with great accuracy.

Examples of Usage

• Adjective:
  • The keen-sighted eagle spotted its prey from hundreds of feet in the air.
  • A keen-sighted lookout is essential for spotting land from the ship's crow's nest.
  • Her keen-sighted observations allowed her to notice the tiny crack in the antique vase.

Advanced Usage

• "To be keen-sighted": To possess the characteristic of having excellent vision.
  • The job requires someone who is naturally keen-sighted.
• "Keen-sightedness" (noun form): The quality or state of having keen sight.
  • His keen-sightedness was an advantage in his work as a wildlife photographer.

Variants and Related Words

• Far-sighted (adj): Able to see distant objects more clearly than near ones; also used figuratively for foresight.
• Sharp-eyed (adj): Having very good eyesight, especially for noticing small details.
• Eagle-eyed (adj): Having extremely sharp eyesight, like an eagle; very observant.
• Lynx-eyed (adj): Having exceptionally keen sight, like a lynx.

Synonyms

• Observant: Quick to notice things.
• Perceptive: Having or showing sensitive insight or keen understanding, often related to vision.
• Clear-sighted: Able to see clearly; having good judgment.

Related Phrases

• To have a keen eye for something: To be very good at noticing or judging a particular thing.
  • She has a keen eye for detail.
• To keep a keen lookout: To watch carefully and attentively.
  • Keep a keen lookout for any signs of movement.

Related Idioms

• Eyes like a hawk: Having very sharp eyesight, enabling one to see small details from far away.
  • The security guard has eyes like a hawk; nothing escapes his notice.

Adjective

1. capable of seeing to a great distance
2. having very keen vision
   • quick-sighted as a cat