Home › Words › N › newgrassnewgrassnewgrass means A progressive subgenre of bluegrass music, typically incorporating electric instruments, non-traditional chord progressions, and lengthy improvisation.Among words judged in Lexicurio's Arena, newgrass ranks #16,733 of 42,749 for Qualifying.EtymologyBlend of new + bluegrass; term arose in the 1970snounA progressive subgenre of bluegrass music, typically incorporating electric instruments, non-traditional chord progressions, and lengthy improvisation.e.g.“At the beginning of the new century, the chief standard bearers of the newgrass style are an ensemble of California-born musicians known as Nickel Creek...” — 2002, Bill C. Malone, Country music, U.S.A.:Definitions & examples from Wiktionary (CC BY-SA 3.0).