Synonyms|141Antonyms|43|Broader|1Narrower|2Related|62
1
languishment
1
lenitude
1
lentor
1
mental fatigue
1
mental strain
1
motionless(noun, inactivity)
1
negligence(noun, dullness, apathy, inactivity, lethargy)
1
obtuseness(noun, dullness)
1
oscitancy
1
over-weariness(noun, weariness)
1
overstrain
1
overtiredness
1
passiveness(noun, disregard, dullness, apathy, inactivity)
1
ponderousness(noun, dullness)
1
satedness
1
sleeping
1
sopor(noun, dullness)
1
stance fatigue
1
strain
1
stretching
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APASmart Define. (2015). sleepiness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sleepiness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepiness thesaurus" https://smartdefine.org/sleepiness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sleepiness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sleepiness/thesaurus/synonyms>.
MLASmart Define. "sleepiness thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sleepiness/thesaurus/synonyms>