80 entries under steady topic. ×

3
sedate(adjective, calm, cool, firm, solid)
3
strong(adjective, hard, secure, tough, solid)
3
tight(adjective, strong, secure, firm, solid)
2
collected(adjective, calm, cool, unaffected)
2
composed(adjective, calm, cool, unaffected)
2
fastened(adjective, strong, secure, firm, solid)
2
locked in(expression, adjective, secure, wild, determined)
2
serene(adjective, calm, cool, firm, solid)
2
tranquil(adjective, calm, cool, unaffected)
2
unaffected(adjective, calm, cool, detached)
2
unflappable(adjective, calm, cool, firm, usual)
1
assured(adjective, calm, cool, tranquil)
1
bound(adjective, strong, solid, cruel, determined)
1
complacent(adjective, calm, cool, tranquil)
1
cool as cucumber(expression, adjective, idiom, calm, cool)
1
dead set on(expression, adjective, idiom, secure, determined)
1
disimpassioned(adjective, calm, cool, tranquil)
1
enduring(adjective, firm, solid, determined)
1
equanimous(adjective, calm, cool, tranquil)
1
hard as nails(expression, adjective, idiom, calm, strong)
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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>