sharpen

Definition

To make something sharper or more pointed, like a pencil or a knife. It can also mean to improve a skill or ability.

Usage & Nuances

Used for improving the edge or point of objects and sometimes for improving non-physical skills ('sharpen your mind'). Common collocations: 'sharpen a knife', 'sharpen a pencil', 'sharpen skills'. 'Sharpen up' is informal for improving performance.

Example Sentences