Meaning : Especially indicating a form of prosecution in which proceedings are secret and the accused is questioned by a prosecutor who acts also as the judge.
Specifically indicating a form of prosecution in which one is publicly accused of and tried for a crime and in which the judge is not also the prosecutor.
accusatorialMeaning : Marked by inquisitive interest. Especially suggestive of an ecclesiastical inquisitor.
Example :
The press was inquisitorial to the point of antagonism.
A practical police force with true inquisitorial talents.
Meaning : Having the authority to conduct official investigations.
Example :
The inquisitorial power of the Senate.