128 entries under unemotional topic. ×

9
imperturbable(adjective, calm, quiet, cool, relaxed)
9
serene(adjective, calm, quiet, cool, relaxed)
9
uncaring(adjective, indifferent, detached, unfriendly, distant)
9
unmoved(adjective, calm, cool, indifferent, detached)
9
unresponsive(adjective, calm, dull, cool, slow)
8
unenthusiastic(adjective, dull, cool, weak, easy)
7
detached(adjective, calm, quiet, cool, relaxed)
7
disinterested(adjective, calm, indifferent, detached, distant)
7
insensible(adjective, cool, indifferent, feelings, blank)
7
stoical(adjective, calm, cool, smooth, indifferent)
7
unfeeling(adjective, calm, cool, tough, indifferent)
6
flat(adjective, calm, quiet, tough, indifferent)
6
frigid(adjective, calm, restrained, detached, impassive)
6
spiritless(adjective, dull, cool, weak, easy)
6
uninvolved(adjective, calm, quiet, indifferent, detached)
6
unruffled(adjective, calm, quiet, cool, smooth)
5
aloof(adjective, calm, cool, indifferent, restrained)
5
blah(adjective, calm, dull, weak, easy)
5
emotionless(adjective, calm, dull, cool, tough)
5
incurious(adjective, indifferent, feelings, restrained, apathetic)
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APASmart Define. (2015). phlegmatic thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, phlegmatic thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>.
MLASmart Define. "phlegmatic thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms>