7 entries under strong topic. ×

36
safe(adjective, characteristic, harm, protection)
29
secure(verb, adjective, characteristic, protection)
19
guarded(verb, adjective, characteristic, protection)
19
protected(verb, adjective, characteristic, weak)
12
unsusceptible(adjective, characteristic, protection, defense)
3
closed(adjective, characteristic, protection, defense)
2
tough(adjective, characteristic, sturdy, protection)
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APASmart Define. (2016). vulnerable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vulnerable/thesaurus/antonyms
ChicagoSmart Define. 2016. "vulnerable thesaurus" https://smartdefine.org/vulnerable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, vulnerable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vulnerable/thesaurus/antonyms>.
MLASmart Define. "vulnerable thesaurus" 11 March 2016. Web. 24 September 2026. <https://smartdefine.org/vulnerable/thesaurus/antonyms>