He thought he was an invulnerable but he was wrong.
The fortress was designed to be an invulnerable, protecting the city from any attack.
Frequently Asked Questions
The phonetic transcription of "invulnerable" is /ɪnˈvʌlnərəbl/ in British English and /ɪnˈvʌlnərəbəl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "invulnerable": unbeatable, unassailable, impervious, invincible, impregnable.
Example usage of "invulnerable": "The superhero was invulnerable to bullets.". More examples on the page.