Definitions

1. noun

the quality of being rough or unrefined in texture, manner, or character

“The coarseness of the fabric made it unpleasant to wear.”

2. noun

the quality of being harsh or severe in tone, manner, or effect

“The coarseness of his language shocked the audience.”

3. noun

the quality of being rude or lacking in refinement

“The coarseness of their behavior was unacceptable.”