Synonyms|584Antonyms|158|Broader|7Narrower|0Related|1k

127 entries under indifferent topic. ×

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, detached, distant)
7
insensible(adjective, cool, feelings, blank)
7
stoical(adjective, calm, cool, smooth)
7
unfeeling(adjective, calm, cool, tough)
6
careless(adjective, dull, sluggish, indifference)
6
flat(adjective, calm, quiet, tough)
6
idle(adjective, quiet, easy, heavy)
6
sleepy(adjective, quiet, easy, slow, relaxed)
6
supine(adjective, dull, quiet, weak, easy)
6
uninvolved(adjective, calm, quiet, detached)
6
unruffled(adjective, calm, quiet, cool, smooth)
5
aloof(adjective, calm, cool, restrained)
5
incurious(adjective, feelings, restrained, apathetic)
5
self-controlled(adjective, calm, quiet, cool, relaxed)
5
undisturbed(adjective, calm, smooth, still)
5
unperturbed(adjective, unsympathetic, inattentive, uninterested)
4
distant(adjective, cool, restrained, detached)
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APASmart Define. (2015). phlegmatic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, phlegmatic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>.
MLASmart Define. "phlegmatic thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms>