Synonyms|862Antonyms|116|Broader|10Narrower|8Related|256

144 entries under tough topic. ×

1
venturous(strong, bold, resolute, spirited)
1
well-built(adjective, strong, sound, solid)
1
well-founded(adjective, strong, sound, secure)
1
well-made(adjective, strong, sound, solid)
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APASmart Define. (2015). tenacious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 28 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>