"sharpening" in the verb sense
1. sharpen
make sharp or sharper
"sharpen the knives"
2. sharpen
make crisp or more crisp and precise
"We had to sharpen our arguments"
3. sharpen
become sharp or sharper
"The debate sharpened"
4. focus, focalize, focalise, sharpen
put (an image) into focus we cannot enjoy the movie"
"Please focus the image
5. sharpen
make (images or sounds) sharp or sharper
6. sharpen
raise the pitch of (musical notes)
7. sharpen, taper, point
give a point to
"The candles are tapered"
8. sharpen, heighten
make (one's senses) more acute
"This drug will sharpen your vision"
Source: WordNet® (An amazing lexical database of English)
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