Definition of splittist in English:

splittist

noun

See splittism

‘Gone are the high-decibel, constant fulminations of communist generals against the ‘splittists.’’
  • ‘After only five days at the helm, Hu set out a tough policy for dealing with the ‘splittists.’’
  • ‘They would probably think the whole thing was some kind of devilish trick, a smoke screen for some larger splittist plot.’