Synonyms: unreformable, unregenerate
Definition: unrepentant and incapable of being reformed
Usage: an unregenerate criminal
Similar words: incorrigible
Definition: impervious to correction by punishment
Synonyms: irreclaimable, irredeemable, unredeemable, unreformable
Definition: insusceptible of reform
Usage: vicious irreclaimable boys; irredeemable sinners
Similar words: wicked
Definition: morally bad in principle or practice