What are the opposite words for roughness?

Smoothness can be seen as the antonym for roughness, as it represents a surface that is free from any unevenness, roughness or coarseness. Smoothness is the state of being without any irregularities, bumps, or rough patches. Polished surfaces are an example of smoothness. The opposite of roughness can also be seen as finesse, which refers to a delicate, subtle touch in handling an object or performing an action. It's a mark of refinement and a sign of skillful execution. Precision is another concept that lies at the opposite end of the spectrum from roughness, as it represents the state of being exact, accurate, and well-defined.

Antonym of the day

split down the middle
combine, join.