76 entries under unshakeable topic. ×

6
inelastic(adjective, determined, resolute, obstinate, uncompromising)
6
iron(adjective, mean, strong, hard, tough)
6
pertinacious(adjective, difficult, determined, resolute, obstinate)
6
steely(adjective, strong, hard, tough, determined)
6
stiff-necked(adjective, mean, strong, hard, tough)
6
wilful(adjective, determined, resolute, uncompromising)
5
hardheaded(adjective, strong, hard, tough, determined)
5
perverse(adjective, mean, hard, wild, determined)
5
stern(adjective, determined, resolute, rigid, uncompromising)
4
opinionated(adjective, determined, fixed, resolute, inflexible)
4
self-willed(adjective, difficult, determined, resolute, stubborn)
4
uncompliant(adjective, hard, firm, determined, resolute)
3
bullheaded(adjective, strong, hard, tough, difficult)
3
hidebound(adjective, determined, stiff, resolute, obstinate)
3
indurate(adjective, mean, hard, determined, resolute)
3
pig-headed(adjective, determined, resolute, obstinate, stubborn)
3
rock-ribbed(adjective, determined, resolute, uncompromising)
3
strong-willed(adjective, determined, resolute, uncompromising)
3
willful(adjective, difficult, determined, resolute, stubborn)
2
bigoted(adjective, determined, resolute, obstinate, uncompromising)
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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>