1) Insusceptible of reform 2) Irreclaimable offenders 3) Irredeemable 4) Not reclaimable 5) Unredeemable 6) Unreformable 7) Wicked 1) Irredeemable 2) Unredeemable 3) Unreformable 4) Wicked 
• (a.) Incapable of being reclaimed.
Ir`re·claim'a·ble adjective Incapable of being reclaimed. Addison. -- 
[adj] - insusceptible of reform
irreclaimable 1. That which cannot be reclaimed, reformed, or called back to right ways. 2. Of land that cannot be reclaimed or brought into cultivation. 3. That which cannot be called back or revoked; irrevocable.
irredeemable adjective insusceptible of reform; `vicious irreclaimable boys`; `irredeemable sinners`
not reclaimable; incapable of being reclaimed or rehabilitated: an irreclaimable swamp; irreclaimable offenders.