countrypolitan adjective 1noun 1forms 2 adjective1 •Of or sounding like countrypolitan music, or country music produced during the late 1960s and early 1970s. noun1 •A subgenre of country music, a development of the Nashville sound, produced in the late 1960s and early 1970s, containing elements of popular music, including string sections and background vocals. formsmore countrypolitan · most countrypolitan