65 entries under insistent topic. ×

2
inveterate(adjective, persistent, obstinate, dogged)
2
severe(adjective, persistent, obstinate, dogged)
2
stouthearted(strong, bold, persistent, brave, obstinate)
2
unremitting(adjective, strong, firm, determined, steady)
1
anal-retentive(adjective, persistent, obstinate, dogged)
1
continual(adjective, determined, steady, resolute, persistent)
1
continuous(adjective, persistent, constant, pitiless, unyielding)
1
defiant(adjective, persistent, obstinate, dogged)
1
demanding(adjective, persistent, obstinate, dogged)
1
disobedient(adjective, persistent, obstinate, dogged)
1
endless(adjective, determined, steady, resolute, persistent)
1
exacting(adjective, persistent, obstinate, dogged)
1
hard-shell(adjective, persistent, obstinate, dogged)
1
hard-shelled(adjective, persistent, obstinate, dogged)
1
incessant(adjective, strong, firm, determined, steady)
1
insurgent(adjective, persistent, obstinate, dogged)
1
merciless(adjective, persistent, constant, pitiless, unyielding)
1
mutinous(adjective, persistent, obstinate, dogged)
1
narrow-minded(adjective, persistent, obstinate, dogged)
1
obsessive(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>