niggerism noun2 •(offensive) Something characteristic of black people.He loved their tricks of language, loved to pick up and feel and taste new words from their rich reservoir of niggerisms. — 1970 •(offensive, old-fashioned) Political support for black people.Their black support confirmed the charge of "niggerism" and helped the Democrats turn the widespread Negrophobia to their account. — 1976 formsniggerisms