political propaganda, especially favoring communism and disseminated through literature, drama, art, or music

This word appears in The Number: “Official Garrett agitprop characterizes its broad target market as ‘hardworking, everyday people who play by the rules and who need folks they can trust.’ ” I think the author, Lee Eisenberg, is using the term loosely. I first heard this word when my wife was in a play called “Mephisto” in Seattle. The play was set during (or leading up to) World War II.