Slumberous and Sleepless

Slumberous

Slumberous adjective - Desiring or needing sleep.
Usage example: parents putting their slumberous children to bed

Sleepless is an antonym for slumberous.

Nearby Words: slumbering, slumber, slumbered

Sleepless

Sleepless adjective - Not sleeping or able to sleep.
Usage example: lay sleepless with worry

Slumberous is an antonym for sleepless.

Nearby Words: sleep, sleepy, sleeping, sleeplessness
Cite this Source
Sleepless and Slumberous. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/slumberous/sleepless
Slumberous & Sleepless. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/slumberous/sleepless>.
Sleepless or Slumberous. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/slumberous/sleepless.
Google Ngram Viewer shows how "slumberous" and "sleepless" have occurred on timeline