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.