鋭敏 えいびん sharp (eyes, ears, etc.) #25,297 Meanings na-adjective, noun sharp (eyes, ears, etc.); keen; acute; sensitive sharp-witted; shrewd; clever; astute; acute Its kanji 鋭 エイ · するど.い pointed, sharpness, edge, weapon, sharp, violent 敏 ビン · さとい cleverness, agile, alert