100 entries under obstinate topic. ×

7
standing pat(adjective, determined, resolute, uncompromising)
6
contrary(adjective, difficult, determined, resolute)
6
inelastic(adjective, determined, resolute, uncompromising)
6
iron(adjective, mean, strong, hard, tough)
6
pertinacious(adjective, difficult, determined, resolute)
6
recalcitrant(adjective, tough, difficult, determined, fixed)
6
steely(adjective, strong, hard, tough, determined)
6
stiff-necked(adjective, mean, strong, hard, tough)
5
hardheaded(adjective, strong, hard, tough, determined)
5
perverse(adjective, mean, hard, wild, determined)
5
rigorous(adjective, set, strong, hard, tough)
4
persevering(adjective, determined, steady, resolute, persistent)
4
tough(adjective, mean, strong, hard, determined)
4
unruly(adjective, tough, difficult, stubborn)
3
bullheaded(adjective, strong, hard, tough, difficult)
3
contumacious(adjective, determined, fixed, inflexible)
3
hidebound(adjective, determined, stiff, resolute)
3
pig-headed(adjective, determined, resolute, stubborn)
3
rebellious(adjective, inflexible, willful)
3
strict(adjective, set, strong, hard, tough)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>