Faintness and Lassitude

Faintness

Faintness noun - The quality or state of lacking physical strength or vigor.
Usage example: after a year of increasing faintness, the old man quietly died in his sleep

Lassitude is a synonym for faintness in lethargy topic. In some cases you can use "Lassitude" instead a noun "Faintness", when it comes to topics like tiredness.

Lassitude

Lassitude noun - A complete depletion of energy or strength.
Usage example: our lassitude was such that we couldn't even be bothered to get more soda from the fridge

Faintness is a synonym for lassitude in lethargy topic. You can use "Faintness" instead a noun "Lassitude".
Cite this Source
Lassitude and Faintness. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/faintness/lassitude
Faintness & Lassitude. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/faintness/lassitude>.
Lassitude or Faintness. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/faintness/lassitude.
Google Ngram Viewer shows how "faintness" and "lassitude" have occurred on timeline