1. Having a sharp point; tapering to a point.
Usage: Formal or technical; often used in botany and biology to describe leaf shapes or other pointed structures.
2. Characterized by keen insight or intellectual sharpness; shrewd.
Usage: Rare; archaic or literary usage.

Examples

• The acuminous leaves of the pine tree are adapted to reduce water loss.
• The plant's acuminous tips help it pierce through dense soil.
• She made an acuminous observation about the underlying causes of the problem.
• The acuminous shape of the arrowhead made it effective for hunting.
• His acuminous mind quickly grasped the complex theory.