Synonyms|141Antonyms|43|Broader|1Narrower|2Related|62
1
denseness(noun, dullness)
1
depression(noun, weariness)
1
dimness(noun, dullness)
1
disinterest(noun, disregard, dullness, apathy, inactivity)
1
disregard(noun, dullness, apathy, inactivity, indifference)
1
doltishness(noun, dullness)
1
doziness
1
droopiness(noun, weariness)
1
enfeeblement
1
eyestrain
1
flaccidity(noun, weariness)
1
footsoreness(noun, weariness)
1
goneness
1
heart strain
1
heedlessness(noun, disregard, dullness, apathy, inactivity)
1
impassivity(noun, disregard, dullness, apathy, inactivity)
1
inaction(noun, disregard, dullness, apathy, inactivity)
1
inanimation
1
inanition(noun, disregard, dullness, apathy, inactivity)
1
insouciance(noun, disregard, dullness, apathy, inactivity)
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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>