outsharpen
/ˈaʊtˌʃɑːrpɛn/Definitions
1. verb
to make a cutting tool sharper by sharpening the edge, especially to a finer point
“The craftsman outsharpened the blade to a razor’s edge.”
2. verb
to improve or refine something to a higher standard
“The artist outsharpened her skills with years of practice.”