66 entries under cool topic. ×

15
steady(adjective, move, calm, strong)
8
unmoved(adjective, calm, firm, determined)
7
impassive(adjective, secure, steady, detached)
5
imperturbable(adjective, calm, firm, solid)
4
calm(adjective, firm, solid, still)
4
dispassionate(adjective, detached, blank, sober)
3
sedate(adjective, calm, firm, solid)
2
chill(adjective, flat, detached, blank)
2
cold(adjective, detached, blank, sober)
2
cold-blooded(adjective, detached, blank, sober)
2
collected(adjective, calm, steady, unaffected)
2
composed(adjective, calm, steady, unaffected)
2
frigid(adjective, detached, blank, sober)
2
heartless(adjective, mean, detached, blank)
2
icy(adjective, detached, blank, sober)
2
nonemotional(adjective, flat, detached, blank)
2
serene(adjective, calm, firm, solid)
2
tranquil(adjective, calm, steady, unaffected)
2
unaffected(adjective, calm, steady, detached)
2
unemotional(adjective, mean, detached, blank)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>