The Man-Thing's body is practically invulnerable to harm.
She had thought her pets to be practically invulnerable, yet Martok and the others had found ways to cripple and kill them.
Once his people came to power, he would be practically invulnerable.
Inside their shells, the Bokor are practically invulnerable to any type of weapon, ranging to energy, melee or bullets.
A mutant with 3 parapsychic faculties was practically invulnerable and it seemed impossible that he hadn't taken care of Topthor by now.
What's wrong with switching off the genes that make the Jem'Hadar practically invulnerable?
The high-altitude version proved practically invulnerable to interception above 5,500 m (18,000 ft).
Separate also had the ability to transform into a large metal sphere, making it practically invulnerable to any attack.
Such a camp was easy to establish and practically invulnerable to enemy cavalry.
Gibraltar is practically invulnerable to any attack short of a major invasion.