95 entries under unresponsive topic. ×

31
apathetic(adjective, calm, dull, quiet, cool)
30
indifferent(adjective, calm, dull, quiet, cool)
25
listless(adjective, calm, dull, quiet, weak)
25
stoic(adjective, calm, dull, cool, tough)
20
cool(adjective, calm, quiet, relaxed, indifferent)
18
impassive(adjective, calm, dull, quiet, cool)
18
slow(adjective, dull, weak, easy, slow)
16
stolid(adjective, calm, dull, quiet, cool)
15
nonchalant(adjective, calm, quiet, cool, relaxed)
15
passive(adjective, calm, dull, quiet, easy)
15
unconcerned(adjective, calm, dull, cool, weak)
15
unemotional(adjective, calm, dull, quiet, cool)
14
dull(adjective, calm, tough, slow, relaxed)
13
cold(adjective, calm, cool, tough, indifferent)
12
inert(adjective, dull, quiet, weak, moving)
12
uninterested(adjective, dull, cool, weak, easy)
11
inactive(adjective, dull, quiet, weak, easy)
9
composed(adjective, calm, quiet, cool, still)
9
dispassionate(adjective, calm, quiet, cool, relaxed)
9
uncaring(adjective, indifferent, detached, unfriendly, distant)
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APASmart Define. (2015). phlegmatic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, phlegmatic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>.
MLASmart Define. "phlegmatic thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms>