Third-person singular simple present indicative form of sharpen

A device for making things sharp. / (figuratively) That which makes something sharp. / (informal) An alcoholic drink taken at the start of the day, or just before a meal.

(transitive, sometimes figuratively) To make sharp. / (intransitive) To become sharp.

simple past tense and past participle of sharpen

Having a sharp point or edge.

plural of sharpener

present participle of sharpen

The act by which something is sharpened. / (in the plural) The debris produced when a pencil is sharpened.

plural of sharpening

Capable of being sharpened.