Definitions

1. verb

to make a knife or cutting instrument sharp again by sharpening or honing it

“The knife needed to be resharpened after months of use.”

2. verb

to restore the sharpness or effectiveness of something

“The team’s performance needed to be resharpened after a string of losses.”

3. noun

the act of making a knife or cutting instrument sharp again

“The process of resharpening took several hours.”