What does "invincibility" mean?

The quality or state of being invincible; invincibleness.

How do you pronounce "invincibility"?

Pronounced //ɪnˌvɪn.səˈbɪl.ə.ti//.

Common synonyms include: authenticity, authoritativeness, calculability, cognitive resilience, deathlessness, dependability.

/ɪnˌvɪn.səˈbɪl.ə.ti/ noun

noun ·Uncommon ·Advanced level

Noun

1
The quality or state of being invincible; invincibleness. countable, uncountable
2
the property being difficult or impossible to defeat wordnet

From Middle French invincibilité, from Latin invincibilitas.