Noun

• S: (n) roughness, raggedness (a texture of a surface or edge that is not smooth but is irregular and uneven)
• S: (n) harshness, roughness (the quality of being harsh or rough or grating to the senses)
• S: (n) crudeness, roughness (an unpolished unrefined quality) "the crudeness of frontier dwellings depressed her"
• S: (n) choppiness, roughness, rough water (used of the sea during inclement or stormy weather)
• S: (n) rowdiness, rowdyism, roughness, disorderliness (rowdy behavior)
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) pitting, roughness, indentation (the formation of small pits in a surface as a consequence of corrosion)
• direct hypernym / inherited hypernym / sister term
• S: (n) corrosion, corroding, erosion (erosion by chemical action)
• S: (n) chemical process, chemical change, chemical action ((chemistry) any process determined by the atomic and molecular composition and structure of the substances involved)
• S: (n) natural process, natural action, action, activity (a process existing in or produced by nature (rather than by the intent of human beings)) "the action of natural forces"; "volcanic activity"
• S: (n) process, physical process (a sustained phenomenon or one marked by gradual changes through a series of states) "events now in process"; "the process of calcification begins later for boys than for girls"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form
• S: (n) roughness (harsh or severe speech or behavior) "men associate the roughness of nonstandard working-class speech with masculinity"; "the roughness of her voice was a signal to keep quiet"