5
all-conquering
1
invulnerable
0
camouflaged
0
covert
0
defendable
0
defensible
0
embryonic
0
guarded(adjective, secure)
0
masquerading
0
protected(adjective, secure)
0
safe(adjective, secure)
0
secure
0
solved
0
stealthy
0
tenable
0
underlying
11 years ago|80 views|share |citing 
APASmart Define. (2015). assailable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/assailable/thesaurus/antonyms
ChicagoSmart Define. 2015. "assailable thesaurus" https://smartdefine.org/assailable/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, assailable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/assailable/thesaurus/antonyms>.
MLASmart Define. "assailable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/assailable/thesaurus/antonyms>