noun, plural Kafirs (especially collectively) Kafir.
1. Also called Nuristani.
a member of an Indo-European people of Nuristan.
(lowercase) Islam. an infidel or unbeliever.
(lowercase) . Also, kaffir. Also called kafir corn. a grain sorghum, Sorghum bicolor caffrorum, having stout, short-jointed, leafy stalks, introduced into the U.S. from southern Africa.