7
standing pat(adjective, determined, resolute, obstinate, uncompromising)
7
static(adjective, set, secure, regular, fixed)
7
stuck(adjective, firm, true, steady, fixed)
7
unalterable(adjective, set, hard, steady, regular)
7
unswerving(adjective, firm, solid, intense, determined)
6
anchored(adjective, strong, secure, solid, steady)
6
contrary(adjective, difficult, determined, resolute, obstinate)
6
dead in the water
6
grim(adjective, strong, hard, tough, determined)
6
immoveable
6
immutable(adjective, set, hard, steady, regular)
6
inelastic(adjective, determined, resolute, obstinate, uncompromising)
6
invariable(adjective, stable, changing)
6
iron(adjective, mean, strong, hard, tough)
6
loyal(adjective, firm, solid, intense, true)
6
pertinacious(adjective, difficult, determined, resolute, obstinate)
6
recalcitrant(adjective, tough, difficult, determined, fixed)
6
refractory(adjective, tough, firm, difficult, determined)
6
stabile(adjective, firm, solid, still, stable)
6
steely(adjective, strong, hard, tough, determined)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>