100 entries under firm topic. ×

9
continuing(verb, adjective, strong, determined)
9
patient(adjective, strong, energetic, endure)
9
pertinacious(adjective, strong, tough, determined)
9
staunch(adjective, strong, tough, flat)
8
dedicated(adjective, strong, determined, steady)
8
devoted(adjective, strong, determined, steady)
8
purposeful(adjective, strong, tough, keen)
8
set(adjective, strong, tough, flat)
8
single-minded(adjective, tough, determined, unreasonable)
8
strong-willed(adjective, strong, tough, determined)
8
unyielding(adjective, strong, tough, flat)
7
decided(adjective, strong, resolution, serious)
7
faithful(adjective, strong, determined, bold)
7
headstrong(adjective, tough, unreasonable, grim)
7
indomitable(adjective, strong, determined, steady)
7
inflexible(adjective, strong, tough, flat)
7
obdurate(adjective, strong, tough, flat)
6
adamant(adjective, strong, tough, flat)
6
fixed(adjective, strong, tough, flat)
6
inexorable(adjective, tough, determined, unreasonable)
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APASmart Define. (2015). persevering thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/persevering/thesaurus/synonyms
ChicagoSmart Define. 2015. "persevering thesaurus" https://smartdefine.org/persevering/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, persevering thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/persevering/thesaurus/synonyms>.
MLASmart Define. "persevering thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/persevering/thesaurus/synonyms>