What does humanist mean? humanist. Noun 1. a scholar of one of the subjects in the humanities 2. a person who believes in the philosophy of humanism 3. (historical) ; In the Renaissance, a scholar of Greek and Roman classics humanist. Adjective 1. relating to humanism or the humanities 2. (typography, of a typeface) ; Resembling classical handwritten monumental Roman letters rather than the 19th-century grotesque typefaces.