Synonym of unreversible

irrevocable irreversible immutable unalterable fated fixed irremediable settled unchangeable invariable irretrievable predestined predetermined unrectifiable absolute binding changeless final irreparable permanent unrepairable certain conclusive constant doomed established indelible inevitable lasting lost peremptory unappealable unrepealable beyond repair abiding unrecoverable enduring unredeemable irrecoverable irredeemable categorical incurable beyond recall decisive definitive irrefutable determinate firm incontrovertible definite indisputable set ultimate unchallengeable decided emphatic determinative unanswerable inexpugnable finished hard-and-fast hard stable frozen flat rigid inflexible unchanging unbending specified strict hard and fast determined express defined precise explicit agreed hopeless arranged rooted steadfast incorrigible irreformable preset unvarying incommutable inalterable immovable unyielding stiff undeviating ironclad inveterate cast-iron past hope set in stone pegged commanding compelling imperative unconditional obligatory undeniable unfluctuating regular irreclaimable straight uniform consistent positive quantified severe gone forever nonnegotiable known limited lost and gone beyond hope distinct not changeable fixed as the laws of the Medes and the Persians exacting written dictated mandatory compulsory entrenched deep-rooted concrete intent determining hardheaded ingrained hardened deep-seated stubborn solid obstinate set in concrete carved in stone stringent well-set hidebound solid as a rock pigheaded stiff-necked bound locked in jelled unflappable hard-line tight rigorous allotted confirmed prearranged decreed prescribed steady exact unwavering planned fast uncompromising unmoving resolved unblinking sure still stated unmovable unqualified unmodifiable stipulated dyed-in-the-wool hard-nosed unbreakable iron-fisted writ in stone in the bag not subject to change never-failing unsalvageable deadly unmitigable fatal mortal terminal remediless bad cureless helpless gone impossible sad worsening ill-fated no-win up the creek beyond redress

unreviewable unrevised unrewarded unrewardedly unrewarding unrewardingly unreverently unreverent unrevealingly unrevealing unrevealed unreturned love