adversarial vs contrary

adversarial

adj
  • Characteristic of, or in the manner of, an adversary; combative, hostile, opposed. 

  • In which issues are tried through the presentation of evidence and argument by adverse parties, with no or limited inquiry by the court's own initiative. 

contrary

adj
  • Opposite; in an opposite direction; in opposition; adverse. 

  • Opposed; contradictory; inconsistent. 

  • Given to opposition; perverse; wayward. 

adv
  • Contrarily 

noun
  • One of a pair of propositions that cannot both be simultaneously true, though they may both be false. 

  • The opposite. 

How often have the words adversarial and contrary occurred in a corpus of books? (source: Google Ngram Viewer )