36 entries under constant topic. ×

5
secure(adjective, firm, true, stable, fixed)
3
fast(adjective, strong, firm, solid, stable)
2
fixed(verb, adjective, strong, firm, solid)
2
impregnable(adjective, firm, true, fixed)
1
fastened(verb, adjective, strong, firm, solid)
1
firm(adjective, strong, true, stable, fixed)
1
immovable(adjective, strong, firm, solid, true)
1
set(verb, adjective, strong, firm, solid)
1
sound(adjective, strong, firm, solid, true)
1
stable(adjective, strong, firm, solid, true)
1
staunch(adjective, strong, firm, solid, true)
1
sure(adjective, strong, firm, solid, true)
1
tenacious(adjective, strong, firm, solid, true)
1
tight(adjective, strong, firm, solid, true)
0
adherent(firm, true, fixed, steadfast)
0
ardent(firm, true, fixed, steadfast)
0
attached(firm, true, fixed, steadfast)
0
close(firm, true, fixed, steadfast)
0
constrained(firm, true, fixed, steadfast)
0
durable(firm, true, fixed, steadfast)
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APASmart Define. (2015). fortified thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fortified/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortified thesaurus" https://smartdefine.org/fortified/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, fortified thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fortified/thesaurus/synonyms>.
MLASmart Define. "fortified thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/fortified/thesaurus/synonyms>