83 entries under sluggish topic. ×

6
supine(adjective, dull, quiet, weak, easy)
6
unhurried(adjective, dull, weak, easy, slow)
5
dormant(still, lifeless, lazy, listless)
5
slack(adjective, dull, quiet, moderate, easy)
5
spiritless(adjective, action, dull, weak, easy)
4
drooping(adjective, dull, relaxed, lazy)
4
faint(adjective, dull, weak, heavy, still)
4
inanimate(adjective, dull, still, lifeless)
4
logy(adjective, slow, slow-moving, snail-paced)
4
passive(still, lifeless, lazy, listless)
4
sleepy(still, lifeless, lazy, listless)
4
sullen(adjective, dull, slow, dark, heavy)
3
lymphatic(adjective, action, dull, weak, easy)
3
stagnant(adjective, dull, quiet, moderate, easy)
2
blah(adjective, dull, weak, easy, flat)
2
bored(adjective, dull, lethargic, limp)
2
draggy(adjective, dull, flat, slow, heavy)
2
hebetudinous(adjective, dull, slow, heavy, apathetic)
2
limp(adjective, action, dull, weak, easy)
2
neutral(adjective, dull, lead, grim)
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APASmart Define. (2015). leaden thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/leaden/thesaurus/synonyms
ChicagoSmart Define. 2015. "leaden thesaurus" https://smartdefine.org/leaden/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, leaden thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/leaden/thesaurus/synonyms>.
MLASmart Define. "leaden thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/leaden/thesaurus/synonyms>