91 entries under insistent topic. ×

9
indomitable(adjective, strong, firm, determined, steady)
9
undeviating(adjective, strong, flat, intense, certain)
8
importunate(adjective, continue, demanding)
8
unbroken(adjective, severe, pure, steady, regular)
7
adamant(adjective, strong, tough, flat, firm)
7
confirmed(adjective, usual, steady, regular, routine)
7
demanding(adjective, firm, obstinate, dogged)
7
inexorable(adjective, tough, determined, unreasonable, grim)
6
bound(adjective, strong, tough, flat, firm)
5
never-ending(adjective, determined, steady, regular, even)
5
recalcitrant(adjective, tough, firm, obstinate, stubborn)
5
unbending(adjective, strong, tough, severe, flat)
5
unconquerable(adjective, obstinate, dogged)
4
bound and determined(expression, adjective, idiom, determined, serious)
4
contrary(adjective, determined, fixed, obstinate, stubborn)
4
froward(adjective, deliberate, determined, obstinate)
4
invincible(adjective, obstinate, dogged)
4
stern(adjective, resolute, obstinate, dogged)
3
bloody-minded(adjective, obstinate, dogged)
3
exacting(adjective, obstinate, dogged)
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APASmart Define. (2015). persistent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, persistent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>.
MLASmart Define. "persistent thesaurus" 1 June 2015. Web. 21 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms>