Definitions

1. verb

to make less sharp or less effective; to dull

“The pencil had to be unsharpened after being used for so long.”

2. verb

to remove the sharp point or cutting edge from

“She had to unsharpen the pencil before putting it in her pencil case.”

3. verb

to make or become less effective or less impressive

“The new policy will unsharpen the company’s competitive edge.”