424 entries under adjective topic. ×

2
composed(calm, cool, steady, unaffected)
2
confirmed(firm, determined, usual, regular)
2
consistent
2
continuous
2
definite(firm, determined, usual, regular)
2
dependable(firm, solid, stable, fixed)
2
die-hard(determined, resolute, uncompromising, unshakeable)
2
fastened(strong, secure, firm, solid)
2
frigid(cool, detached, blank, sober)
2
hard-core(strong, hard, tough, firm)
2
hardened(determined, fixed, resolute, stubborn)
2
harsh(mean, strong, hard, tough)
2
heartless(mean, cool, detached, blank)
2
icy(cool, detached, blank, sober)
2
inalterable
2
incompliant(difficult, determined, resolute, stubborn)
2
inconvincible(determined, resolute, uncompromising, unshakeable)
2
indefatigable
2
indomitable(strong, hard, tough, difficult)
2
ironclad(set, hard, cruel, usual)
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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>