adversarial

/ˌædvərˈsɛriəl/
adjective
  1. Involving or characterized by conflict, opposition, or disagreement.
    • Negotiations became adversarial when neither side would compromise.
    • The two lawyers had an adversarial relationship in court.
    • In an adversarial system, each side presents its case to a neutral judge.
  2. Relating to a legal system where two opposing parties present their arguments.
    • The United States uses an adversarial legal process.
    • Adversarial proceedings can be stressful for witnesses.
    • Judges in an adversarial system act as referees rather than investigators.
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