This meaning refers to something that has a fine edge or point, allowing for cutting or piercing. It can be used to describe physical objects that are sharp, like knives or blades, as well as metaphorically for someone’s wit or intellect.

This meaning describes a strong interest or enthusiasm for something. It can refer to someone who is eager or enthusiastic, often used in contexts like being keen on a hobby or a subject of study.

This meaning indicates something that is intense or severe, often used in medical contexts or to describe situations that require careful attention.