Fatigue and Sleepiness

Fatigue

Fatigue noun - A complete depletion of energy or strength.

Sleepiness and fatigue are semantically related In some cases you can use "Sleepiness" instead a noun "Fatigue".

Nearby Words: fatigued, fatiguing

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

Fatigue and sleepiness are semantically related in torpor topic. You can use "Fatigue" instead a noun "Sleepiness".

Nearby Words: sleep, sleepy, sleepily

How words are described

constant constant fatigue constant sleepiness
chronic chronic fatigue chronic sleepiness
pervasive pervasive fatigue pervasive sleepiness
Cite this Source
Sleepiness and Fatigue. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/fatigue/sleepiness
Fatigue & Sleepiness. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/fatigue/sleepiness>.
Sleepiness or Fatigue. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/fatigue/sleepiness.
Google Ngram Viewer shows how "fatigue" and "sleepiness" have occurred on timeline