50 entries under lethargic topic. ×

41
inactive(adjective, action, calm, dull, quiet)
22
inert(adjective, calm, dull, quiet, moving)
17
passive(adjective, calm, dull, quiet, gentle)
17
idle(adjective, calm, dull, quiet, gentle)
16
sluggish(verb, adjective, calm, dull, quiet)
13
sleepy(adjective, dull, still, idle, weary)
12
torpid(adjective, calm, dull, slow, still)
12
listless(adjective, dull, quiet, energy, still)
8
languid(adjective, dull, heavy, still, weary)
7
dull(adjective, still, idle, weary, apathetic)
7
languorous(adjective, dull, heavy, still, weary)
7
lifeless(adjective, calm, dull, quiet, gentle)
5
apathetic(adjective, dull, heavy, still, weary)
5
slow(adjective, dull, idle, weary, apathetic)
5
supine(adjective, dull, stupid, weary, apathetic)
2
bored(lifeless, languid, sleepy, indolent)
2
drowsy(adjective, dull, heavy, idle, weary)
2
enervated(adjective, dull, heavy, weary, apathetic)
2
heavy(adjective, dull, weary, apathetic, tired)
2
hebetudinous
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APASmart Define. (2015). dormant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dormant/thesaurus/synonyms
ChicagoSmart Define. 2015. "dormant thesaurus" https://smartdefine.org/dormant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, dormant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dormant/thesaurus/synonyms>.
MLASmart Define. "dormant thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/dormant/thesaurus/synonyms>