Invulnerablenot able to be hurt, damaged, or defeated describes someone or something that cannot be harmed, attacked, or defeated in the usual way. It often appears in military, physical, or emotional contextssituations or settings where something is used or understood, but the core idea is the same: not easily vulnerableopen to harm, damage, or injury to damage or injury.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˌɪnˈvʌlnərəbəl/
Easy pronunciation: in-VUL-ner-uh-bul (approximate spelling).
Stress: Primary stress is on the second syllable: VUL.
Adjective meaning safe from attack or harm; not vulnerable.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.
Invulnerable Meaning
safe from attack or damage
Part of speech: adjective
Definition: immune to attack; not able to be harmed or defeated
Example: The castle was built on a steep hill, making it nearly invulnerable to attack.
Synonyms for this meaning:
- impregnable — Works well for something that cannot be taken or attacked successfully.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.
Invulnerable Synonyms
Similar Meaning
- impregnable
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Do not confuse invulnerable with vulnerable, which means easily harmed or exposed to harm.
- It is not usually used to mean emotionally tough unless the context clearly suggests being hard to hurt or affect.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does invulnerable mean?
Invulnerable means not able to be harmed, attacked, or defeated in the normal way.
What is a simple synonym for invulnerable?
Impregnable is a strong synonym, especially for a place or position that cannot be attacked successfully.
Is invulnerable the opposite of vulnerable?
Yes. Vulnerable means open to harm or attack, while invulnerable means protected from it.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-25. AI assessment; not a guarantee of accuracy.