Synonyms|141Antonyms|43|Broader|1Narrower|2Related|62
3
sleep(noun, disregard, dullness, apathy, inactivity)
3
stillness(noun, inactivity, torpor)
3
stupor(noun, disregard, dullness, apathy, inactivity)
3
supineness(noun, disregard, dullness, apathy, inactivity)
3
torpidness(noun, disregard, dullness, apathy, inactivity)
2
debility
2
dilatoriness(noun, dullness, apathy, lethargy, negligence)
2
do-nothingness(noun, dullness, apathy, lethargy, negligence)
2
drowse
2
faineance(noun, dullness, apathy, lethargy, negligence)
2
faineancy(noun, dullness, apathy, lethargy, negligence)
2
hebetude(noun, disregard, dullness, apathy, inactivity)
2
inertia(noun, disregard, dullness, apathy, inactivity)
2
inertness(noun, disregard, dullness, apathy, inactivity)
2
jadedness(fatigue, weariness)
2
laxness(noun, dullness, apathy, lethargy, negligence)
2
leadenness(noun, disregard, dullness, apathy, indifference)
2
leisureliness(noun, dullness, apathy, lethargy, negligence)
2
neglectfulness(noun, dullness, apathy, lethargy, negligence)
2
otioseness(noun, dullness, apathy, lethargy, negligence)
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APASmart Define. (2015). sleepiness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sleepiness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepiness thesaurus" https://smartdefine.org/sleepiness/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sleepiness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sleepiness/thesaurus/synonyms>.
MLASmart Define. "sleepiness thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sleepiness/thesaurus/synonyms>