ism schism Share definition Flag a divide among people(schism) caused by prejudice beliefs(isms) like racism, nazism, elitism, and supremicism. used mainly by rastas Get Up, Stand Up By Bob Marley and the Wailers: sick and tired of your ism schism ism schism by T. Ray August 2, 2007 0 0 Get merch Get the ism schism mug. Buy Now — $32.95 See more merch