di·vi·sion·ist I. \-zh(ə)nə̇st\noun (-s) Etymology:division + -ist 1.: one that advocates division or disunion < the divisionists objected to the existing boundary line > 2.often capitalized: an adherent or practitioner of divisionism : neo-impressionist II. adjective Usage: often capitalized : of or relating to divisionism : neo-impressionist