kafir

noun, plural Kaf·irs, (especially collectively) Kaf·ir.

1. Also called Nuristani. a member of an Indo-European people of Nuristan.
2. (lowercase) Islam. an infidel or unbeliever.
3. Kaffir(def 1).
4. (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.

noun plural -irs or -ir

1. another name for the Nuri
2. a variant spelling of Kaffir