[Pyr.rho.nism] n [F pyrrhonisme, fr. Pyrrhon Pyrrho, 4th cent. b.c. Gk. philosopher, fr. Gk Pyrrhon] (ca. 1670) 1: the doctrines of a school of ancient extreme skeptics who suspended judgment on every proposition--compare academicism
2: total or radical skepticism -- Pyr.rho.nist n