irretractable,a.|ɪrɪˈtræktəb(ə)l| [ad. late L. irretractābil-is (Augustine), f.ir- (ir-2) + retractāre to retract: see -ble. Cf. F. irretractable (14th c. in Hatz.–Darm.).] That cannot be retracted or taken back. 1880Cheyne Isaiah (1884) I. 256 The gifts and calling of God are irretractable.