65 entries under insistent topic. ×

1
perpetual(adjective, determined, steady, resolute, persistent)
1
remorseless(adjective, tough, firm, unreasonable, grim)
1
unabated(adjective, persistent, constant, pitiless, unyielding)
1
unbroken(adjective, persistent, constant, pitiless, unyielding)
1
wrongheaded(adjective, persistent, obstinate, dogged)
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APASmart Define. (2015). tenacious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tenacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenacious thesaurus" https://smartdefine.org/tenacious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tenacious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tenacious/thesaurus/synonyms>.
MLASmart Define. "tenacious thesaurus" 6 November 2015. Web. 21 September 2026. <https://smartdefine.org/tenacious/thesaurus/synonyms>