Synonyms|141Antonyms|43|Broader|1Narrower|2Related|62

103 entries under noun topic. ×

4
ennui(fatigue, weariness)
4
faintness
4
idleness(disregard, dullness, apathy, inactivity)
4
indifference(disregard, dullness, apathy, inactivity)
4
indolence(disregard, dullness, apathy, inactivity)
4
languor(disregard, dullness, apathy, inactivity)
4
passivity(dullness, apathy, lethargy, negligence)
4
sloth(disregard, dullness, apathy, inactivity)
4
slothfulness(apathy, lethargy, negligence, languor)
4
stupefaction
4
torpidity(disregard, dullness, apathy, inactivity)
3
dormancy(apathy, inactivity, lethargy, negligence)
3
dreaminess(dullness, apathy, lethargy, negligence)
3
feebleness
3
heaviness(dullness, apathy, lethargy, negligence)
3
lackadaisicalness(dullness, apathy, lethargy, negligence)
3
languidness(disregard, dullness, apathy, indifference)
3
languorousness(dullness, apathy, lethargy, negligence)
3
lassitude(disregard, dullness, apathy, inactivity)
3
phlegm(disregard, dullness, apathy, inactivity)
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APASmart Define. (2015). sleepiness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sleepiness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepiness thesaurus" https://smartdefine.org/sleepiness/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, sleepiness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sleepiness/thesaurus/synonyms>.
MLASmart Define. "sleepiness thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/sleepiness/thesaurus/synonyms>