sharpen
sharpen - verb
- make sharp or sharper
- make crisp or more crisp and precise
- become sharp or sharper
- put (an image) into focus
- make (images or sounds) sharp or sharper
- raise the pitch of (musical notes)
- give a point to
- make (one's senses) more acute
sharpen - thesaurus
focalise
focalize
focus
heighten
point
taper