Bumpinesses are the irregularities or unevenness in a surface or texture. Synonyms for this word include roughness, unevenness, coarseness, ruggedness, choppiness, and lumpiness. These synonyms describe the same characteristics of being rough or irregular, but may be used in different contexts or for different surfaces. For example, choppiness may refer specifically to the unevenness of waves in water, while ruggedness may describe the roughness of a terrain. In any case, all of these synonyms can be used to describe the bumps or unevennesses that one may encounter in a surface or texture.