diametrically

English

WOTD – 15 November 2011

diametric +‎ -ally

diametrically (comparative more diametrically, superlative most diametrically)

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

on exactly the opposite side

Armenian: տրամագծորեն (hy) (tramagcoren)
Catalan: diametralment (ca)
Czech: diametrálně
Estonian: diametraalselt
Finnish: vastapäätä (fi), vastakkain (fi), täysin vastakkainen (phrasal adjective meaning "diametrically opposed")
French: diamétralement (fr)
German: diametral (de), diametrisch
Japanese: 百八十度 (hyakuhachijūdo), 対極に (taikyoku ni)
Norwegian:
Bokmål: diametralt
Nynorsk: diametralt