105 entries under slow topic. ×

9
unresponsive(adjective, calm, dull, cool)
8
unenthusiastic(adjective, dull, cool, weak, easy)
7
lazy(adjective, dull, weak, easy)
7
leaden(adjective, dull, quiet, weak, easy)
6
heavy(adjective, dull, quiet, weak, easy)
6
lumpish(adjective, dull, heavy, sluggish)
6
sleepy(adjective, quiet, easy, relaxed)
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)
4
dense(adjective, dull, stupid, impassive)
4
dopey(adjective, dull, weak, easy)
4
enervated(adjective, dull, weak, easy)
4
leisurely(adjective, dull, quiet, weak, easy)
4
slack(adjective, dull, quiet, moderate, easy)
4
tired(adjective, still, weary, sluggish)
4
weary(adjective, dull, weak, easy)
3
dragging(adjective, dull, heavy, sluggish)
3
hebetudinous(adjective, dull, heavy, stupid)
11 years ago|17k views|share |citing 
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>