INVINCIBLE a.
Incapable of being conquered, overcome, or subdued; unconquerable; insuperable; as, an invincible army, or obstacle. Lead forth to battle these my sons Invincible. Milton. -- In*vin"ci*ble*ness, n. -- In*vin"ci*bly, adv.
FATALITY n.
The state of being fatal, or proceeding from destiny; invincible necessity, superior to, and independent of, free and rational control. The Stoics held a fatality, and a fixed, unalterable course of events. South.