26 entries under tough topic. ×

77
stubborn(adjective, characteristic, quality, resist)
69
uncompromising(adjective, resist, determined, resolute)
66
inexorable(adjective, resist, determined, resolute)
64
rigid(adjective, severe, resist, determined)
57
unrelenting(adjective, resist, determined, resolute)
52
determined(adjective, resolute, obstinate, stubborn)
33
fixed(adjective, determined, resolute, obstinate)
19
implacable(adjective, resist, determined, resolute)
11
dogged(adjective, determined, resolute, stubborn)
11
intractable(adjective, firm, difficult, determined)
10
iron(adjective, resist, determined, resolute)
10
remorseless(adjective, resist, determined, unreasonable)
9
perverse(adjective, mean, determined, resolute)
8
headstrong(adjective, determined, resolute, stubborn)
8
pigheaded(adjective, determined, resolute, stubborn)
7
self-willed(adjective, determined, resolute, stubborn)
6
opinionated(adjective, firm, determined, resolute)
5
bullheaded(adjective, severe, determined, resolute)
5
refractory(adjective, firm, determined, stubborn)
4
recalcitrant(adjective, firm, obstinate, stubborn)
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APASmart Define. (2015). intransigent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/intransigent/thesaurus/synonyms
ChicagoSmart Define. 2015. "intransigent thesaurus" https://smartdefine.org/intransigent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, intransigent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/intransigent/thesaurus/synonyms>.
MLASmart Define. "intransigent thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/intransigent/thesaurus/synonyms>