sharpen
🇺🇸
/ˈʃɑːrpən/
🇬🇧
/ˈʃɑːpən/
to make an edge or point thin and sharp
You need to sharpen the pencil before writing.
to make a sense or feeling stronger and clearer
Fear can sharpen your senses.
to make a topic or idea clearer and more focused
Let's sharpen the main points of our plan.
to improve skills or performance
Athletes sharpen their skills through practice.
to make a voice high and loud in an unpleasant way
Her voice began to sharpen when she got angry.