dis fifThe meaning of dis- varies with different words; dif-, assimilated form of dis- before f; di-, form of dis- before b, d, g, l, m, n, r, and v. differ , differs; differed; differing 1. To be not the same; toThe 2010 FIFA World Cup was the 19th FIFA World Cup, the world championship for men's national football teams. It took place in South Africa from 11 June to 11