(えいびん)

えいびん
na-adjective
keen; acute; sensitive
formaldescriptive
1. keen; acute; sensitive; sharp
Having an extremely sharp or refined ability to perceive, detect, or respond. Used for senses, intuition, or mental acuity.
She has a keen sense of perception.
Dogs have a far more acute sense of smell than humans.
Only companies that can respond keenly to changes in the times will survive.

Usage

Describes heightened sensitivity or sharpness of perception, whether physical senses or mental awareness. More formal and literary than (するど) (sharp).

Similar words

  • 鋭敏(えいびん): keen, acute (formal, emphasizes refined sensitivity)
  • (するど): sharp (general, everyday usage)
  • 敏感(びんかん): sensitive (reactive to stimuli, sometimes overly so)

Common collocations