[f. prec. + -ISM.] The state or condition of a barbarian (in various senses).
1855. Milman, Lat. Chr. (1864), II. iv. § 1. 169. Adapted to the youthful barbarianism of the state of society, and to the Oriental character.
1864. Reader, No. 87. 255/1. A very paragon of prosy barbarianism.