108 entries under stable topic. ×

8
unmoved(adjective, calm, cool, firm, determined)
7
quiescent(adjective, still, steady, fixed)
7
settled(adjective, strong, secure, firm, solid)
7
unswerving(adjective, firm, solid, intense, determined)
6
anchored(adjective, strong, secure, solid, steady)
6
invariable(adjective, changing)
6
iron(adjective, mean, strong, hard, tough)
6
loyal(adjective, firm, solid, intense, true)
6
stabile(adjective, firm, solid, still)
5
imperturbable(adjective, calm, cool, firm, solid)
4
calm(adjective, cool, firm, solid, still)
4
cool(adjective, calm, firm, solid, steady)
4
equable(adjective, firm, solid, fixed)
4
riveted(adjective, strong, secure, still, substantial)
4
unfaltering(adjective, firm, solid, fixed)
4
unshaken(adjective, firm, solid, fixed)
3
changeless(adjective, set, firm, solid, still)
3
durable(adjective, strong, secure, firm, solid)
3
permanent(adjective, secure, firm, true, steady)
3
sedate(adjective, calm, cool, firm, solid)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>