22 entries under guarded topic. ×

14
unassailable(adjective, strong, secure, resolute, safe)
12
invulnerable(adjective, strong, secure, resolute, safe)
11
inviolable(adjective, secure, safe, snug, intact)
3
impervious(adjective, secure, safe, snug, intact)
2
safeguarded(adjective, secure, safe, snug, intact)
2
shielded(adjective, secure, safe, snug, intact)
1
buttoned up(expression, adjective, secure, safe, snug)
1
cherished(adjective, secure, safe, snug, intact)
1
home-free(adjective, secure, safe, snug, intact)
1
in safety(expression, adjective, secure, safe, snug)
1
maintained(adjective, secure, safe, snug, intact)
1
preserved(adjective, secure, safe, snug, intact)
1
safe and sound(expression, idiom, secure, safe, snug)
1
sheltered(adjective, secure, safe, snug, intact)
1
sitting pretty(expression, adjective, secure, safe, snug)
1
snug(adjective, secure, safe, intact)
1
tended(adjective, secure, safe, snug, intact)
1
under lock and key(expression, idiom, secure, safe, snug)
1
unmolested(adjective, secure, safe, snug, intact)
1
unthreatened(adjective, secure, safe, snug, intact)
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APASmart Define. (2015). impregnable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impregnable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impregnable thesaurus" https://smartdefine.org/impregnable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impregnable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impregnable/thesaurus/synonyms>.
MLASmart Define. "impregnable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/impregnable/thesaurus/synonyms>