117 entries under sluggish topic. ×

14
slack(adjective, dull, quiet, moving, flat)
14
slothful(adjective, dull, quiet, moving, flat)
12
slow(adjective, dull, quiet, weak, easy)
11
supine(adjective, dull, weak, easy, slow)
11
phlegmatic(adjective, dull, quiet, weak, moving)
11
sleepy(adjective, dull, quiet, moving, slow)
10
lackadaisical(adjective, dull, quiet, weak, easy)
9
unresponsive(adjective, dull, quiet, moving, flat)
8
leaden(adjective, dull, quiet, weak, moving)
8
impassive(adjective, dull, weak, moving, easy)
7
asleep(adjective, calm, quiet, moving, gentle)
7
heavy(adjective, upset, dull, quiet, weak)
7
stolid(adjective, dull, quiet, moving, flat)
6
somnolent(adjective, dull, careless, relaxed, indifferent)
6
spiritless(adjective, dull, quiet, weak, easy)
5
comatose(adjective, dull, weak, easy, slow)
5
fallow(adjective, calm, gentle, still)
5
lumpish(adjective, dull, slow, heavy, stupid)
5
resting(adjective, slow, easygoing, lazy)
4
dilatory(adjective, dull, quiet, easy, careless)
11 years ago|22k views|share |citing 
APASmart Define. (2015). inert thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inert/thesaurus/synonyms
ChicagoSmart Define. 2015. "inert thesaurus" https://smartdefine.org/inert/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inert thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inert/thesaurus/synonyms>.
MLASmart Define. "inert thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/inert/thesaurus/synonyms>