393 entries under adjective topic. ×

12
inert(dull, quiet, weak, moving)
12
insouciant(dull, indifferent, unsympathetic, sluggish)
12
uninterested(dull, cool, weak, easy)
11
inactive(dull, quiet, weak, easy)
11
languorous(dull, weak, easy, slow)
11
lifeless(calm, quiet, tough, slow)
11
lukewarm(dull, cool, indifferent, restrained)
10
calm(quiet, cool, tough, relaxed)
10
slothful(dull, quiet, easy, slow)
9
composed(calm, quiet, cool, still)
9
dispassionate(calm, quiet, cool, relaxed)
9
imperturbable(calm, quiet, cool, relaxed)
9
self-possessed(calm, quiet, relaxed, still)
9
serene(calm, quiet, cool, relaxed)
9
uncaring(indifferent, detached, unfriendly, distant)
9
unmoved(calm, cool, indifferent, detached)
9
unresponsive(calm, dull, cool, slow)
8
unenthusiastic(dull, cool, weak, easy)
7
detached(calm, quiet, cool, relaxed)
7
disinterested(calm, indifferent, detached, distant)
11 years ago|17k views|share |citing 
APASmart Define. (2015). phlegmatic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, phlegmatic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>.
MLASmart Define. "phlegmatic thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms>