UNAPPEALABLY
Etymology
Adverb
unappealably (comparative more unappealably, superlative most unappealably)
Against which no appeal is possible.
Source: Wiktionary
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.
2. Not to be appealed from; -- said of a judge or a judgment that can
not be overruled.
The infallible, unappealable Judge [God]. South.
We submitted to a galling yet unappealable necessity. Shelley.
– Un`ap*peal"a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition