Definition of adversarial in English English dictionary
Characteristic of, or in the manner of, an adversary; combative, hostile, opposed
If you describe something as adversarial, you mean that it involves two or more people or organizations who are opposing each other. In our country there is an adversarial relationship between government and business. an adversarial system, especially in politics and the law, is one in which two sides oppose and attack each other
(Law) (of legal proceedings) in which the parties involved have the responsibility for finding and presenting evidence. Compare with accusatorial, inquisitorial
A system of law in which advocates represent the prosecution and the defence and an impartial person (judge) or people (jury) determine the truth of the matter