111 entries under stubborn topic. ×

6
relentless(adjective, appearance, strong, tough, firm)
6
set(adjective, persistent, strict, obstinate)
6
stiff-necked(adjective, tough, firm, stupid, unreasonable)
6
tenacious(adjective, tough, firm, difficult, persistent)
6
uncompliant(adjective, tough, firm, unreasonable, irritable)
6
unrelenting(adjective, appearance, strong, tough, firm)
5
fixed(adjective, hard, tough, rough, firm)
5
incompliant(adjective, tough, firm, difficult, unreasonable)
5
unchangeable(adjective, set, hard, stiff, rigid)
4
balky(adjective, tough, firm, negative, hostile)
4
cussed(tough, firm, persistent, obstinate)
4
grim(adjective, appearance, tough, firm, cruel)
4
immutable(adjective, set, hard, severe, rough)
4
resistant(adjective, secure, difficult, awkward, restless)
4
single-minded(adjective, tough, firm, unreasonable, grim)
4
steadfast(adjective, determined, fixed, grim, persistent)
4
unalterable(adjective, hard, determined, fixed, inflexible)
4
unflinching(adjective, cruel, determined, fixed, resolute)
3
adamantine(hard, tough, firm, unreasonable, grim)
3
bullheaded(adjective, tough, firm, indifferent, deliberate)
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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>