70 entries under adjective topic. ×

36
safe(characteristic, strong, harm, protection)
29
invulnerable(characteristic, protection, defense)
29
secure(verb, characteristic, strong, protection)
20
armed(characteristic, protection, defense)
19
guarded(verb, characteristic, strong, protection)
19
protected(verb, characteristic, strong, weak)
18
defensible(characteristic, protection, defense)
16
invincible(characteristic, protection, defense)
16
sheltered(characteristic, protection, defense)
13
impenetrable(characteristic, protection, defense)
12
strong(characteristic, protection, defense)
12
unsusceptible(characteristic, strong, protection, defense)
12
impregnable(characteristic, protection, defense)
12
unassailable(characteristic, protection, defense)
12
unconquerable(characteristic, protection, defense)
11
shielded(characteristic, protection, defense)
11
unbeatable(characteristic, protection, defense)
11
covered(characteristic, protection, defense)
10
screened(characteristic, protection, defense)
9
untouchable(characteristic, protection, defense)
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APASmart Define. (2016). vulnerable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vulnerable/thesaurus/antonyms
ChicagoSmart Define. 2016. "vulnerable thesaurus" https://smartdefine.org/vulnerable/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, vulnerable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vulnerable/thesaurus/antonyms>.
MLASmart Define. "vulnerable thesaurus" 11 March 2016. Web. 23 September 2026. <https://smartdefine.org/vulnerable/thesaurus/antonyms>