40 entries under protected topic. ×

7
armed(adjective, prepared, defended, walled)
5
secure(adjective, firm, true, stable, fixed)
5
supported(verb, adjective, hardened, invigorated)
3
defended(verb, adjective, firm, safe, guarded)
3
fast(adjective, strong, firm, solid, stable)
2
fixed(verb, adjective, strong, firm, solid)
2
impregnable(adjective, firm, true, fixed, constant)
2
shielded(adjective, safe, sheltered, locked)
2
strong(adjective, solid, stable, sure, safe)
1
adjusted(adjective, strong, solid, stable, sure)
1
anchored(adjective, strong, solid, stable, sure)
1
bound(verb, adjective, strong, solid, stable)
1
buttoned down(expression, adjective, strong, solid, stable)
1
fastened(verb, adjective, strong, firm, solid)
1
firm(adjective, strong, true, stable, fixed)
1
guarded(verb, adjective, firm, safe, sheltered)
1
immovable(adjective, strong, firm, solid, true)
1
iron(adjective, strong, solid, stable, sure)
1
locked(adjective, strong, firm, solid, stable)
1
nailed(adjective, strong, solid, stable, sure)
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APASmart Define. (2015). fortified thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fortified/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortified thesaurus" https://smartdefine.org/fortified/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fortified thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fortified/thesaurus/synonyms>.
MLASmart Define. "fortified thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fortified/thesaurus/synonyms>