Unappealable
Unappealable , adjective
1.
Not appealable; that can not be carried to a higher tribunal by appeal; as, an unappealable suit or action.
2.
Not to be appealed from; -- said of a judge or a judgment that can not be overruled.
The infallible, unappealable Judge [God].
We submitted to a galling yet unappealable necessity.