sharpened is a form of:

Sharpen



verbpast tense: sarpened ; past participle: sarpened ; present participle: sharpening ;
1.
(INTRANSITIVE) (To make or become sharp or sharper) សម្រួច, សំលៀងឲ្យមុត, មុតឡើង
2.
(TRANSITIVE) (To make or become sharp, to make, quick and keen) សម្រួច, រចនាឡើងជា
Example: To sharpen the razor, This puzzle should sharpen your intelligence.
ENGLISH MEANING
verbpast tense: sarpened ; past participle: sarpened ; present participle: sharpening ;
1.
To make sharp.
2.
To give a keen edge or fine point to; to make sharper; as, to sharpen an ax, or the teeth of a saw.
3.
To render more quick or acute in perception; to make more ready or ingenious.
4.
To make more eager; as, to sharpen men's desires.
5.
To make more pungent and intense; as, to sharpen a pain or disease.
6.
To make biting, sarcastic, or severe.
7.
To render more shrill or piercing.
8.
To make more tart or acid; to make sour; as, the rays of the sun sharpen vinegar.
9.
To raise, as a sound, by means of a sharp; to apply a sharp to.
10.
(INTRANSITIVE) To grow or become sharp.