The kanji 鋭 represents "sharp," "keen," or "pointed." It conveys a sense of sharpness, whether physically or metaphorically. This can refer to a sharp edge, a keen intellect, or a strong sense of perception. It implies a quality of precision and incisiveness.

・On-yomi (音読み): エイ (ei) ・Kun-yomi (訓読み): するど(い) (surudo(i))

⚫︎ 鋭いナイフ (surudoi naifu) Translation: A sharp knife. ⚫︎ 鋭い観察力 (surudoi kansatsuryoku) Translation: Keen observational skills. ⚫︎ 先は鋭利 (saki wa eiri) Translation: The tip is sharp.

The kanji 鋭 is a 形声文字 (keisei moji), which means it's a character that combines a semantic component (meaning) with a phonetic component (sound). The left side is 金 (kane, gold/metal), representing a metal object or something related to metal. The right side, 兌 (da, or similar sound to ei), acts as the phonetic component, indicating the pronunciation. Therefore, the character originally depicted a metal object, such as a blade or a sharp tool, with a sharp edge. Over time, it developed the meaning of sharpness and keenness.