sharpens

shar-pens

verb

Makes an edge or point more acute, or improves a skill or sense.

"The chef sharpens his knives before cooking."

Thesaurus

Synonyms: focalise, focus, focalize, point, taper, heighten

Antonyms: blear, blunt, blur, drop, dull, flatten, soften

sharpens - Definition, Meaning & Examples | Voklex