81 entries under relaxed topic. ×

10
calm(adjective, quiet, cool, tough)
9
dispassionate(adjective, calm, quiet, cool)
9
imperturbable(adjective, calm, quiet, cool)
9
self-possessed(adjective, calm, quiet, still)
9
serene(adjective, calm, quiet, cool)
8
unenthusiastic(adjective, dull, cool, weak, easy)
7
detached(adjective, calm, quiet, cool)
7
lazy(adjective, dull, weak, easy, slow)
7
leaden(adjective, dull, quiet, weak, easy)
6
heavy(adjective, dull, quiet, weak, easy)
6
sleepy(adjective, quiet, easy, slow)
6
spiritless(adjective, dull, cool, weak, easy)
6
supine(adjective, dull, quiet, weak, easy)
5
blah(adjective, calm, dull, weak, easy)
5
comatose(adjective, dull, weak, easy, slow)
5
placid(adjective, calm, quiet, cool, smooth)
5
self-controlled(adjective, calm, quiet, cool)
5
tranquil(adjective, calm, quiet, still)
4
dopey(adjective, dull, weak, easy, slow)
4
enervated(adjective, dull, weak, easy, slow)
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APASmart Define. (2015). phlegmatic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, phlegmatic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>.
MLASmart Define. "phlegmatic thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms>