That cannot be overcome or vanquished; unconquerable, invincible. Obsolete or merged in sense A. 3.

Incapable of being vanquished or overcome.

= inexpugnable, adj.

That cannot be vanquished, overcome, or subdued; unconquerable. Of combatants, fortresses, etc. Invincible Armada n. see armada, n. 1b.

That cannot be overcome; insurmountable.

Invincible.

(un-, prefix1 affix 1.)

= unvincible, adj.

Characteristic of or resembling Achilles; spec. invulnerable, invincible.

Of persons, places, etc.: That cannot be overcome by conquest or force of arms; not yielding to superior force; invincible.