“The invulnerableness of their defense system was integral to their victory in the battle.”

“His treatment of the Kurds and Marsh Arabs transcends any claim to sovereign invulnerability.”

“Driving against the clock increased the drivers' alertness, but led some to experience feelings of superiority or invulnerability.”

“Harry Houdini is known as the world's greatest escapologist, but he fostered a reputation for invulnerability that proved to be fatal.”