Synonyms|374Antonyms|68|Broader|6Narrower|0Related|45

48 entries under tenacious topic. ×

2
decisive(adjective, resolute)
2
headstrong(adjective, resolute)
2
incessant(adjective, strong, firm, determined, steady)
2
spunky(adjective, resolute)
2
strong-willed(adjective, resolute)
1
flintlike
1
stiff
1
stony
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APASmart Define. (2015). indefatigable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/indefatigable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefatigable thesaurus" https://smartdefine.org/indefatigable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, indefatigable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/indefatigable/thesaurus/synonyms>.
MLASmart Define. "indefatigable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/indefatigable/thesaurus/synonyms>