sharpen
sharp‧en /ˈʃɑːpən $ ˈʃɑːr-/
verb
Anne sharpened her pencil and got out her homework.
2. [transitive] to make a feeling stronger and more urgent:
A series of attacks have sharpened fears of more violence.
3. [transitive] (also sharpen something ↔ up) to improve something so that it is up to the necessary standard, quality etc:
The course will help students sharpen their writing skills.
sharp‧en /ˈʃɑːpən $ ˈʃɑːr-/
verb Word Family: noun: sharpener, sharpness, sharp; adverb: sharp, sharply, sharpish; verb: sharpen; adjective: sharp
1. [intransitive and transitive] to make something have a sharper edge or point, or to become sharper:
2. [transitive] to make a feeling stronger and more urgent:
3. [transitive] (also sharpen something ↔ up) to improve something so that it is up to the necessary standard, quality etc: