Lassitude
Lassitude noun - Physical or mental inertness.
Usage example: as his cancer progresses, his days are increasingly marked by lassitude and isolation from the outside world
Sleepiness is a synonym for lassitude in lethargy topic. In some cases you can use "Sleepiness" instead a noun "Lassitude".
Sleepiness
Sleepiness noun - The quality or state of desiring or needing sleep.
Usage example: the truck driver keeps a thermos of coffee with him to stave off sleepiness
Lassitude is a synonym for sleepiness in lethargy topic. You can use "Lassitude" instead a noun "Sleepiness".
Mutual synonyms
Related pairs
- weariness and lassitude
- weariness and sleepiness
- fatigue and lassitude
- fatigue and sleepiness
- laziness and lassitude
- laziness and sleepiness
- indolence and lassitude
- indolence and sleepiness
- exhaustion and lassitude
- exhaustion and sleepiness
- apathy and lassitude
- apathy and sleepiness
- sluggishness and lassitude
- sluggishness and sleepiness
Cite this Source
Sleepiness and Lassitude. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/lassitude/sleepiness
Lassitude & Sleepiness. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/lassitude/sleepiness>.
Sleepiness or Lassitude. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/lassitude/sleepiness.
Google Ngram Viewer shows how "lassitude" and "sleepiness" have occurred on timeline