In*vin"ci*ble (?), a.
[L. invincibilis: cf. F. invincible. See In- not, and
Vincible.]
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.