invulnerable

UK: /ɪnˈvʌlnərəb^əl/ US: /ɪnˈvʌlnərəbəl/ ,(in vul′nər ə bəl)

WordReference Random House Learner's Dictionary of American English © 2025

in•vul•ner•a•ble /ɪnˈvʌlnərəbəl/   adj. 

1. incapable of being wounded, hurt, or damaged:
   an invulnerable fortress.

in•vul•ner•a•bil•i•ty /ɪnˌvʌlnərəˈbɪlɪti/  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

in•vul•ner•a•ble  (in vul′nər ə bəl), adj. 

1. incapable of being wounded, hurt, or damaged.
2. proof against or immune to attack:
   A strong navy made Great Britain invulnerable.
3. not open to denial or disproof:
   an invulnerable argument.

• Latin invulnerābilis. See in-³, vulnerable
• 1585–95

in•vul′ner•a•bil′i•ty, in•vul′ner•a•ble•ness, n. 
in•vul′ner•a•bly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

invulnerable / ɪnˈvʌlnərəb^əl -ˈvʌlnrəb^əl/ adjective

1. incapable of being wounded, hurt, damaged, etc, either physically or emotionally
2. incapable of being damaged or captured: an invulnerable fortress

inˌvulneraˈbility, inˈvulnerableness noun

inˈvulnerably adverb