Lassitude and Weakness

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

Weakness is a synonym for lassitude in fatigue topic. In some cases you can use "Weakness" instead a noun "Lassitude", when it comes to topics like exhaustion, lethargy.

Weakness

Weakness noun - The quality or state of lacking physical strength or vigor.
Usage example: the flu left me with such overwhelming weakness that I could hardly stand

Lassitude is a synonym for weakness in fatigue topic. You can use "Lassitude" instead a noun "Weakness", if it concerns topics such as exhaustion.

Nearby Words: weak, weaken, weakly, weakening, weakling

How words are described

temporary temporary lassitude temporary weakness
Cite this Source
Weakness and Lassitude. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/lassitude/weakness
Lassitude & Weakness. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/lassitude/weakness>.
Weakness or Lassitude. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/lassitude/weakness.
Google Ngram Viewer shows how "lassitude" and "weakness" have occurred on timeline