Definitions

1. verb

to make something rough or less smooth in texture or quality; to reduce the refinement or elegance of something

“The years of hardship coarsened her once delicate features.”

2. verb

to make someone less sensitive or less refined

“Traveling through rough areas of the city coarsened her outlook on life.”

3. verb

to become or make something more violent or aggressive

“The harsh conditions of the prison coarsened the behavior of the inmates.”

4. verb

to make something less sensitive to the effects of something

“The repeated exposure to loud music coarsened her hearing.”