300 entries under adjective topic. ×

5
decisive(determined, serious, resolute, persistent)
5
laborious
5
perseverant
5
thorough
5
true(strong, tough, flat, firm)
5
unbending(strong, tough, flat, firm)
5
unfailing(set, strong, firm, energetic)
5
unwearied(strong, firm, energetic, determined)
4
bulldogged
4
careful(thorough, meticulous, painstaking)
4
committed(resolute, persistent, dedicated, unwavering)
4
courageous(firm, determined, resolute, brave)
4
hard(resolution, tenacious)
4
hard-working(thorough, meticulous, painstaking)
4
immovable(determined, steady, resolute, persistent)
4
intent(strong, flat, certain, determined)
4
mulish(tough, firm, determined, unreasonable)
4
painstaking(thorough, meticulous)
4
pigheaded(tough, firm, determined, unreasonable)
4
plucky(determined, resolute, brave, courageous)
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APASmart Define. (2015). persevering thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/persevering/thesaurus/synonyms
ChicagoSmart Define. 2015. "persevering thesaurus" https://smartdefine.org/persevering/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, persevering thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/persevering/thesaurus/synonyms>.
MLASmart Define. "persevering thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/persevering/thesaurus/synonyms>