98 entries under firm topic. ×

52
stubborn(adjective, characteristic, quality, determined, stubbornness)
34
determined(verb, adjective, strong, tough)
33
tenacious(adjective, strong, tough, resist)
29
persistent(adjective, strong, tough, energetic)
28
obstinate(adjective, mean, strong, hard, tough)
27
obdurate(adjective, strong, tough, harsh)
27
pertinacious(adjective, strong, tough, energetic)
26
resolute(adjective, appearance, strong, tough)
26
unyielding(adjective, appearance, mean, strong, hard)
22
steadfast(adjective, strong, tough, solid)
21
inflexible(adjective, mean, strong, hard, tough)
21
persevering(adjective, strong, tough, ready)
20
adamant(adjective, mean, strong, hard, tough)
19
indefatigable(adjective, strong, determined, steady)
17
headstrong(adjective, tough, resist, determined)
16
mulish(adjective, mean, strong, hard, tough)
16
unwavering(adjective, strong, solid, determined)
15
relentless(adjective, appearance, mean, strong, hard)
15
staunch(adjective, strong, tough, solid)
15
tireless(adjective, strong, energetic, determined)
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APASmart Define. (2015). dogged thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dogged/thesaurus/synonyms
ChicagoSmart Define. 2015. "dogged thesaurus" https://smartdefine.org/dogged/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, dogged thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dogged/thesaurus/synonyms>.
MLASmart Define. "dogged thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/dogged/thesaurus/synonyms>