Synonyms|240Antonyms|60|Broader|3Narrower|0Related|453
13
unkillable
4
strong
4
tight
4
unattackable
3
air-tight
3
airtight
3
bombproof
3
defendable
3
defensible
3
inviolable
3
sanctuary
3
secure
3
shellproof
3
unassailable
3
untouchable
2
cheap
2
entrenched
2
important
2
impregnable
2
selfish
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APASmart Define. (2015). invulnerable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/invulnerable/thesaurus/related
ChicagoSmart Define. 2015. "invulnerable thesaurus" https://smartdefine.org/invulnerable/thesaurus/related (accessed September 21, 2026).
HarvardSmart Define 2015, invulnerable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/invulnerable/thesaurus/related>.
MLASmart Define. "invulnerable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/invulnerable/thesaurus/related>