diametrically

diametric +‎ -ally

• (UK) IPA^(key): /ˈdaɪ.æ.mɛt.ɹɪk.li/, /ˈdaɪ.ə.mɛt.ɹɪk.li/

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diametrically (comparative more diametrically, superlative most diametrically)

1. Separated by a diameter, on exactly the opposite side.
2. (especially 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.