76 entries under sturdy topic. ×

5
unvarying(adjective, calm, clear, strong, secure)
4
fast(adjective, calm, strong, secure, tough)
3
never-failing(adjective, strong, complete, flat, firm)
3
secure(adjective, calm, strong, firm, solid)
3
strong(adjective, calm, tough, solid, steady)
3
wholehearted(adjective, set, complete, firm, total)
2
dependable(adjective, strong, tough, firm, solid)
2
perduring(tough, stable, constant, enduring)
2
resolute(adjective, calm, strong, secure, flat)
2
set(adjective, calm, strong, secure, flat)
2
solid(adjective, calm, strong, firm, certain)
2
stabile(adjective, calm, strong, secure, firm)
2
tenacious(adjective, strong, tough, definite, persistent)
2
tough(calm, strong, solid, steady, substantial)
2
unquestioning(adjective, set, clear, complete, warm)
2
unshaken(adjective, set, clear, strong, flat)
2
unswerving(adjective, set, firm, total, solid)
1
ardent(adjective, complete, warm, firm, total)
1
balanced(adjective, calm, strong, secure, firm)
1
brick-wall(adjective, calm, strong, secure, firm)
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APASmart Define. (2015). abiding thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/abiding/thesaurus/synonyms
ChicagoSmart Define. 2015. "abiding thesaurus" https://smartdefine.org/abiding/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, abiding thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abiding/thesaurus/synonyms>.
MLASmart Define. "abiding thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abiding/thesaurus/synonyms>