110 entries under obstinate topic. ×

4
resolved(adjective, determined, fixed, persistent)
4
single-minded(adjective, tough, firm, unreasonable, grim)
4
steadfast(adjective, determined, fixed, grim, persistent)
4
strict(adjective, hard, persistent, rigid)
4
unconquerable(adjective, persistent, insistent, dogged)
4
unflinching(adjective, cruel, determined, fixed, resolute)
4
wrongheaded(negative, hostile, persistent, adverse)
3
bullheaded(adjective, tough, firm, indifferent, deliberate)
3
demanding(adjective, tough, persistent, problematic)
3
exacting(adjective, tough, persistent, problematic)
3
hard-line(adjective, tough, firm, difficult, persistent)
3
iron(adjective, tough, firm, unreasonable, grim)
3
opinionated(adjective, mean, tough, firm, violent)
3
ruthless(adjective, appearance, hard, severe, rough)
3
steely(adjective, set, hard, stiff, rigid)
3
unforgiving(adjective, hard, severe, rough, harsh)
3
unwilling(adjective, indifferent, unresponsive, oblivious)
2
bull-headed(adjective, difficult, stubborn, willful)
2
hard-shell(adjective, determined, persistent, impulsive)
2
incurable(adjective, difficult, persistent, stubborn)
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APASmart Define. (2015). intractable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms
ChicagoSmart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, intractable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>.
MLASmart Define. "intractable thesaurus" 24 June 2015. Web. 27 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms>