diametrically Meaning, Definition & Usage

  1. adverb as from opposite ends of a diameter
    • when two honest witnesses give accounts of the same event that differ diametrically, how can anyone prove that the evidence you gave was deliberately false?
    • three of these brushes were approximately 120 feet apart and the fourth diametrically opposite to one of the three

WordNet

Di*am"e*tric*al*ly adverb
Definitions
  1. In a diametrical manner; directly; as, diametrically opposite.
    Whose principles were diametrically opposed to his. Macaulay.

Webster 1913