Incapable of being wounded

A. Invulnerable

B. Invincible

C. Infallible

D. Impregnable

Answer: Option A

Solution(By Examveda Team)

One word substitute is Invulnerable.

Invulnerable: impossible to harm or damage.
Invincible: too powerful to be defeated or overcome.
Infallible: incapable of making mistakes or being wrong.
Impregnable: (of a fortified position) unable to be captured or broken into.