44 entries under firm topic. ×

3
even(adjective, calm, strong, secure)
3
staunch(calm, strong, solid, certain)
3
uniform(adjective, calm, strong, secure)
2
close(true, fixed, constant, steadfast)
2
resolute(calm, strong, solid, true)
2
secure(calm, strong, solid, true)
2
set(adjective, calm, strong, solid)
1
equable(adjective, calm, strong, secure)
1
sure(calm, strong, solid, certain)
1
together(adjective, calm, strong, secure)
0
adherent(true, fixed, constant, steadfast)
0
ardent(true, fixed, constant, steadfast)
0
attached(true, fixed, constant, steadfast)
0
constrained(true, fixed, constant, steadfast)
0
fastened(true, fixed, constant, steadfast)
0
fortified(true, fixed, constant, steadfast)
0
glued(true, fixed, constant, steadfast)
0
held(true, fixed, constant, steadfast)
0
immovable(true, fixed, constant, established)
0
inextricable(true, fixed, constant, steadfast)
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APASmart Define. (2016). lasting thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "lasting thesaurus" https://smartdefine.org/lasting/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lasting thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lasting/thesaurus/synonyms>.
MLASmart Define. "lasting thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/lasting/thesaurus/synonyms>