Synonyms|524Antonyms|50|Broader|6Narrower|0Related|86

100 entries under firm topic. ×

1
inexhaustible(adjective, strong, energetic, determined)
1
insubordinate(tough, unreasonable, grim, persistent)
1
never-failing(adjective, set, strong, flat)
1
ornery(tough, unreasonable, grim, persistent)
1
perverse(adjective, tough, unreasonable, grim)
1
rebellious(adjective, tough, unreasonable, grim)
1
recalcitrant(adjective, tough, unreasonable, grim)
1
refractory(adjective, tough, unreasonable, grim)
1
settled(adjective, strong, flat, determined)
1
solid(adjective, strong, tough, determined)
1
sure(adjective, set, strong, tough, flat)
1
unmanageable(tough, unreasonable, grim, persistent)
1
unqualified(adjective, set, strong, flat)
1
unquestioning(adjective, set, intense, resolute)
1
unreasonable(tough, grim, persistent, inflexible)
1
unshaken(adjective, strong, flat, certain)
1
untoward(tough, unreasonable, grim, persistent)
0
go-go(adjective, strong, determined, steady)
0
undeterred(adjective, strong, determined, steady)
0
unstinted(adjective, strong, determined, steady)
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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>