206 entries under strong topic. ×

1
safe and sound(expression, adjective, idiom, solid)
1
seasoned(fit, healthy, well, robust)
1
solid as a rock(expression, adjective, idiom, solid)
1
spartan(tough, bold, resolute, spirited)
1
stand tall(expression, tough, bold, spirited)
1
stark(adjective, sound, tough, solid)
1
strapping(adjective, hard, sound, tough)
1
taut(secure, substantial, stable, unmoving)
1
tightened(secure, substantial, stable, unmoving)
1
unafraid(tough, determined, vigorous, bold)
1
unalterable(adjective, determined, definite, fixed)
1
unceasing(adjective, firm, determined, steady)
1
undeterred(adjective, firm, determined, steady)
1
unmoving(adjective, secure, substantial, stable)
1
unstinted(adjective, firm, determined, steady)
1
valorous(tough, determined, vigorous, bold)
1
venturesome(tough, bold, spirited, brave)
1
venturous(tough, bold, resolute, spirited)
1
well-built(adjective, sound, tough, solid)
1
well-founded(adjective, sound, secure, tough)
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APASmart Define. (2015). tenacious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 25 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>