slavist1|ˈsleɪvɪst| [f. slave n.1 + -ist. Cf.anti-slavist (1832).] One who favours or upholds slavery; spec. a member of the former pro-slavery party in the United States. 1889H. O'Reilly 50 Yrs. on Trail 15 The border warfare between the slavists and free-soilers.