Definitions

1. verb

to make something rough; to become rough

“The sandpaper roughened the surface of the wood.”

2. verb

to increase in roughness or coarseness

“The weather roughened the sea, making it difficult to sail.”

3. verb

to make something appear or feel rough

“The dry air roughened her skin.”

4. noun

the act of making something rough

“The roughening of the surface was a deliberate action.”