15 entries under sleepiness topic. ×

14
enervation(noun, strong, weak, weakness, sick)
13
exhaustion(noun, decrease, weakness, reduction, fatigue)
9
debility(noun, weak, disorder, weakness, fault)
9
feebleness(noun, weak, disorder, weakness, fault)
6
weariness(noun, fatigue, weariness, tiredness)
4
lassitude(noun, fatigue, weariness, tiredness)
4
tiredness(noun, fatigue, weariness)
2
drowsiness(noun, weariness)
2
prostration(fatigue, weariness, tiredness)
1
collapse(noun, fatigue, weariness, tiredness)
1
consumption(noun, fatigue, weariness, tiredness)
1
expenditure(noun, fatigue, weariness, tiredness)
0
burnout(fatigue, weariness, tiredness)
0
grogginess
0
wooziness
11 years ago|4.4k views|share |citing 
APASmart Define. (2015). debilitation thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/debilitation/thesaurus/synonyms
ChicagoSmart Define. 2015. "debilitation thesaurus" https://smartdefine.org/debilitation/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, debilitation thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/debilitation/thesaurus/synonyms>.
MLASmart Define. "debilitation thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/debilitation/thesaurus/synonyms>