Not able to be reviewed, or not subject to review(adjective)
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Use "unreviewable" in a sentence
"Jameel Jaffer of the ACLU and Pardiss Kebriaei of the Center for Constitutional Rights, lawyers for al Awlaki, repeatedly underscored the life or death nature of the case, the constitutional issues at hand, and the fact that no court had ever given this kind of unreviewable authority over life and property of US citizens to the government."
"After what the Times reported this morning, no one in this body should be comfortable with a government having this kind of unreviewable power."
"But giving someone like Bush "unreviewable" and unlimited military powers is reckless; the man can barely construct a sentence, let alone articulate a humane and effective foreign policy."