brutism|ˈbruːtɪz(ə)m| [see -ism.] The characteristic behaviour or condition of a brute. 1687Addr. Thanks 7 Ingratitude that's worse than Brutism.1691E. Taylor Behmen's Life 429 Foolish Infatuations, Madness, and stupid Brutisms.1845Blackw. Mag. LVII. 51 He..relapses..from civism to brutism.