Invulnerable

The castle's high walls and sturdy gates made it invulnerable to attack.

The fortress seemed invulnerable to any attack.

The CEO's influential connections and resources made the company invulnerable to market downturns.

He remained invulnerable to the emotional triggers that once haunted him.

The team's undefeated record made them appear invulnerable to any losses.

The rocky cliff was invulnerable to erosion caused by the crashing waves.

The team captain was invulnerable to the opposing team's attempts to intimidate him.

The judge's ruling was invulnerable to the emotional appeals of the defendant.

The employee remained invulnerable to his colleague's attempts to undermine him.

The spacecraft was built to be invulnerable to the extreme temperatures of outer space.

The thick layer of wax on the apple made it invulnerable to pests and decay.

The hard shell of the turtle made it invulnerable to predators.

The spacecraft's advanced technology made it invulnerable to the dangers of space.