This is the 2802nd most frequent Japanese word.
鋭い
Sharp; keen; perceptive.
Here, "鋭い" is applied to a physical object, specifying the literal sharpness important for practical tasks.
鋭いナイフは料理をスムーズにするために必要です。
A sharp knife is essential for smooth cooking.
In this sentence, "鋭い" portrays the critical and cutting nature of words, suggesting they caused an emotional impact.
彼は鋭い言葉で彼女のミスを指摘しました。
He pointed out her mistake with sharp words.
The word "鋭い" is used to describe a metaphorical sharpness in someone's insight or perceptiveness, indicating keen ability to understand or solve.