sexism

sexism
    n 1: discriminatory or abusive behavior towards members of the
         opposite sex
    

35 Moby Thesaurus words for "sexism":
      Jim Crow, Jim Crow law, anti-Semitism, apartheid, black power,
      black supremacy, chauvinism, class consciousness,
      class distinction, class hatred, class prejudice, class war,
      color bar, color line, discrimination, fascism, know-nothingism,
      male chauvinist, minority prejudice, race hatred, race prejudice,
      race snobbery, racial discrimination, racialism, racism,
      red-baiting, segregation, sex discrimination, social barrier,
      social discrimination, superpatriotism, ultranationalism,
      white power, white supremacy, xenophobia