(Frequently used in the phrase diametrically opposed) absolutely (in opposition).
2013 September 28, Kenan Malik, "London Is Special, but Not That Special," New York Times (retrieved 28 September 2013)The distinctness of London has led many to clamor for the capital to pursue its own policies, especially on immigration. The British prime minister, David Cameron, is a Conservative. So is the mayor of London, Boris Johnson. But they have diametrically opposed views on immigration.
