41 entries under fixed topic. ×

4
steadfast(adjective, determined, grim, persistent)
4
unalterable(adjective, hard, determined, inflexible)
4
unflinching(adjective, cruel, determined, resolute)
3
opinionated(adjective, mean, tough, firm, violent)
2
dogmatic(adjective, determined, rigid, inflexible)
2
hardened(adjective, determined, persistent, stubborn)
2
unflexible(adjective, tough, firm, distant)
2
unmoved(adjective, determined, stubborn)
1
aloof(adjective, tough, firm, rigid)
1
contradictory(determined, negative, hostile, different)
1
crisp(adjective, tough, firm, distant)
1
dead set on(firm, determined, resolute, stubborn)
1
distant(adjective, tough, firm, rigid)
1
heady(determined, stubborn)
1
locked in(expression, adjective, tough, firm, difficult)
1
reserved(adjective, tough, firm, distant)
1
strong-minded(determined, impulsive, stubborn, reckless)
1
uptight(adjective, tough, firm, distant)
1
wrong-headed(determined, stubborn)
0
convinced(determined, stubborn)
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APASmart Define. (2015). intractable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms
ChicagoSmart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, intractable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>.
MLASmart Define. "intractable thesaurus" 24 June 2015. Web. 21 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms>