invulnerable in a sentence

Definition

Invulnerable means incapable of being harmed or damaged; impervious to injury or criticism.

The superhero seemed invulnerable, able to withstand any attack without a scratch.
In her mind, she had built an invulnerable shield against the harsh criticism of others.
The ancient fortress was designed to be invulnerable to sieges, with walls that could withstand cannon fire.
Despite facing numerous challenges, his unwavering determination made him feel invulnerable to failure.
The idea of being invulnerable is often an illusion, as everyone has their weaknesses.