17
vulnerable
5
defenseless
4
clairvoyant
4
susceptible
3
exposed
2
insecure
2
undefended
2
unguarded
1
helpless
1
unprotected
1
assailable
1
compromising
1
defenceless
1
endangered
1
indefensible
1
liable
1
open
1
penetrable
1
threatened
1
undefendable
<123>
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APASmart Define. (2015). invulnerable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invulnerable/thesaurus/antonyms
ChicagoSmart Define. 2015. "invulnerable thesaurus" https://smartdefine.org/invulnerable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, invulnerable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invulnerable/thesaurus/antonyms>.
MLASmart Define. "invulnerable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/invulnerable/thesaurus/antonyms>