63 entries under undemonstrative topic. ×

2
hard-boiled(adjective, detached, impassive, unresponsive, laid-back)
2
immovable(adjective, cool, detached, blank, sober)
2
laid back(expression, adjective, person, cool, detached)
2
nonemotional(adjective, cool, detached, blank, sober)
2
objective(adjective, detached, impassive, unresponsive, dispassionate)
2
uncompassionate(adjective, calm, dull, mean, hard)
2
unimpressionable(adjective, detached, impassive, unresponsive, laid-back)
1
along for the ride(expression, adjective, idiom, calm, dull)
1
blah(adjective, calm, dull, flat, detached)
1
cold fish(expression, adjective, cool, detached, blank)
1
cool cat(expression, adjective, cool, detached, blank)
1
going with the flow(expression, adjective, idiom, detached, impassive)
1
in cold blood(expression, adjective, idiom, cool, detached)
1
laid-back(adjective, detached, impassive, unresponsive, reticent)
1
marble(adjective, detached, impassive, unresponsive, laid-back)
1
not responsive(expression, adjective, detached, unfeeling, impassive)
1
nowhere(adjective, cool, detached, blank, sober)
1
poker face(expression, adjective, cool, detached, blank)
1
quiet(adjective, close, gentle, mild, modest)
1
rolling with the punches(expression, adjective, idiom, detached, impassive)
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APASmart Define. (2016). frigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frigid/thesaurus/synonyms
ChicagoSmart Define. 2016. "frigid thesaurus" https://smartdefine.org/frigid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, frigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frigid/thesaurus/synonyms>.
MLASmart Define. "frigid thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/frigid/thesaurus/synonyms>