63 entries under undemonstrative topic. ×

1
along for the ride(expression, adjective, idiom, detached, impassive)
1
blah(adjective, detached, impassive, unresponsive, laid-back)
1
cold fish(expression, adjective, cool, detached, blank)
1
coldhearted(adjective, detached, impassive, unresponsive, insensitive)
1
cool cat(expression, adjective, cool, detached, blank)
1
deadpan(adjective, cool, detached, blank, sober)
1
detached(adjective, cool, blank, sober, unfeeling)
1
dispassionate(adjective, cool, detached, blank, sober)
1
flat(adjective, cool, detached, blank, sober)
1
going with the flow(expression, adjective, idiom, detached, impassive)
1
hard-hearted(adjective, detached, impassive, unresponsive, insensitive)
1
heartless(adjective, cool, detached, blank, sober)
1
immovable(adjective, cool, detached, blank, sober)
1
impassive(adjective, cool, detached, blank, sober)
1
impersonal(adjective, cool, detached, blank, aloof)
1
in cold blood(expression, adjective, idiom, cool, detached)
1
insensitive(adjective, detached, impassive, unresponsive, laid-back)
1
laid-back(adjective, detached, impassive, unresponsive, reticent)
1
laid back(expression, adjective, cool, detached, blank)
1
listless(adjective, detached, impassive, unresponsive, laid-back)
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APASmart Define. (2016). glacial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/glacial/thesaurus/synonyms
ChicagoSmart Define. 2016. "glacial thesaurus" https://smartdefine.org/glacial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, glacial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/glacial/thesaurus/synonyms>.
MLASmart Define. "glacial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/glacial/thesaurus/synonyms>