118 entries under solid topic. ×

3
loyal(adjective, close, correct, firm, honest)
3
set(adjective, calm, strong, secure, flat)
3
single-minded(adjective, firm, determined, steady)
3
wholehearted(adjective, set, complete, firm, total)
2
dependable(adjective, close, strong, tough, correct)
2
hearty(adjective, strong, sound, tough, fit)
2
heavy(adjective, strong, great, sound, tough)
2
never-failing(adjective, strong, complete, flat, firm)
2
reliable(adjective, calm, close, strong, secure)
2
stalwart(adjective, calm, strong, sound, secure)
2
unquestioning(adjective, set, clear, complete, warm)
2
untiring(adjective, calm, quiet, set, gentle)
2
well-built(adjective, calm, strong, sound, secure)
2
well-founded(adjective, calm, strong, sound, secure)
2
well-made(adjective, strong, sound, tough)
1
able(adjective, strong, sound, tough, fit)
1
able-bodied(adjective, strong, sound, tough, fit)
1
active(adjective, strong, sound, tough)
1
allegiant(adjective, close, correct, firm, honest)
1
anchored(calm, strong, steady, substantial)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>