136 entries under strong topic. ×

4
fresh(fit, healthy, well, robust)
4
prevailing(verb, adjective, certain, definite)
4
sure(adjective, calm, close, complete)
3
deep-rooted(adjective, calm, solid, substantial)
3
rugged(adjective, sound, fit, heavy)
3
set(adjective, calm, secure, flat)
3
solid(adjective, calm, sound, tough)
3
true(adjective, close, correct, flat)
3
unflinching(adjective, flat, certain, determined)
2
dependable(adjective, close, tough, correct)
2
hearty(adjective, sound, tough, fit)
2
heavy(adjective, great, sound, tough)
2
never-failing(adjective, complete, flat, firm)
2
obdurate(adjective, flat, certain, determined)
2
reliable(adjective, calm, close, secure)
2
stalwart(adjective, calm, sound, secure)
2
well-built(adjective, calm, sound, secure)
2
well-founded(adjective, calm, sound, secure)
2
well-made(adjective, sound, tough, solid)
1
able(adjective, sound, tough, fit)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>