1) Not subject to appeal 
• (a.) Not appealable; that can not be carried to a higher tribunal by appeal; as, an unappealable suit or action. • (a.) Not to be appealed from; -- said of a judge or a judgment that can not be overruled.
[adj] - not subject to appeal
adjective not subject to appeal; `the judge`s ruling was handed down in a preliminary hearing rather than a trial and was therefore unappealable`
not appealable to a higher court, as a cause. · incapable of being appealed from, as a judgment.