50 entries under pigheaded topic. ×

52
stubborn(adjective, characteristic, quality, determined, stubbornness)
34
determined(verb, adjective, strong, tough, firm)
33
tenacious(adjective, strong, tough, firm, resist)
29
persistent(adjective, strong, tough, firm, energetic)
28
obstinate(adjective, mean, strong, hard, tough)
27
obdurate(adjective, strong, tough, firm, harsh)
27
pertinacious(adjective, strong, tough, firm, energetic)
26
unyielding(adjective, appearance, mean, strong, hard)
24
firm(adjective, mean, strong, hard, tough)
22
steadfast(adjective, strong, tough, firm, solid)
21
inflexible(adjective, mean, strong, hard, tough)
20
adamant(adjective, mean, strong, hard, tough)
16
mulish(adjective, mean, strong, hard, tough)
15
inexorable(adjective, appearance, mean, hard, tough)
15
relentless(adjective, appearance, mean, strong, hard)
14
intractable(adjective, appearance, tough, firm, terrible)
14
unrelenting(adjective, appearance, mean, hard, tough)
13
uncompromising(adjective, mean, hard, firm, harsh)
13
rigid(adjective, mean, hard, harsh, cruel)
13
unbending(adjective, mean, hard, tough, firm)
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APASmart Define. (2015). dogged thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/dogged/thesaurus/synonyms
ChicagoSmart Define. 2015. "dogged thesaurus" https://smartdefine.org/dogged/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, dogged thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/dogged/thesaurus/synonyms>.
MLASmart Define. "dogged thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/dogged/thesaurus/synonyms>