from
The Collaborative International Dictionary of English v.0.48
Unappealable \Un`ap*peal"a*ble\, a.
1. Not appealable; that can not be carried to a higher
tribunal by appeal; as, an unappealable suit or action.
[1913 Webster]
2. Not to be appealed from; -- said of a judge or a judgment
that can not be overruled.
[1913 Webster]
The infallible, unappealable Judge [God]. --South.
[1913 Webster]
We submitted to a galling yet unappealable
necessity. --Shelley.
[1913 Webster] -- {Un`ap*peal"a*bly}, adv.
[1913 Webster]