There are multiple definitions - click on the translation that matches your context.

accusatoire

full

adversarial

adjective

Definitions of adversarial

English

an adversarial system is one where two sides disagree with, oppose and attack each other, especially in law and politics

In our adversarial system, defendants have a fundamental right to legal counsel.

English

involving people disagreeing, opposing, or arguing with each other

The tribunal must endeavour to conduct open adversarial proceedings-