48 entries under strong topic. ×

6
unwavering(calm, firm, solid, true)
5
solid(adjective, calm, secure, steady)
4
indissoluble(adjective, enduring, united, everlasting)
4
secure(calm, firm, steady, substantial)
4
tough(adjective, calm, solid, steady)
3
deep-rooted(adjective, calm, solid, steady)
3
equable(adjective, calm, secure, firm)
2
reliable(adjective, calm, tough, solid)
2
resolute(calm, firm, solid, true)
2
staunch(calm, firm, solid, true)
2
sturdy(adjective, calm, tough, steady)
2
uniform(adjective, calm, secure, firm)
1
anchored(calm, secure, solid, steady)
1
balanced(calm, solid, steady, substantial)
1
brick-wall(calm, solid, steady, substantial)
1
calm(solid, steady, substantial, even)
1
even(adjective, calm, secure, firm)
1
fixed resistant(expression, calm, solid, substantial)
1
nailed(calm, secure, solid, steady)
1
poised(calm, solid, steady, substantial)
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APASmart Define. (2016). permanent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/permanent/thesaurus/synonyms
ChicagoSmart Define. 2016. "permanent thesaurus" https://smartdefine.org/permanent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, permanent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/permanent/thesaurus/synonyms>.
MLASmart Define. "permanent thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/permanent/thesaurus/synonyms>