Asleep
Asleep adjective - Being in a state of suspended consciousness.
Usage example: was sound asleep when the earthquake struck
Slumberous and asleep are semantically related In some cases you can use "Slumberous" instead an adjective "Asleep".
Slumberous
Slumberous adjective - Desiring or needing sleep.
Usage example: parents putting their slumberous children to bed
Asleep and slumberous are semantically related in sleepy topic. You can use "Asleep" instead an adjective "Slumberous".
Mutual synonyms
Cite this Source
Slumberous and Asleep. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/asleep/slumberous
Asleep & Slumberous. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/asleep/slumberous>.
Slumberous or Asleep. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/asleep/slumberous.
Google Ngram Viewer shows how "asleep" and "slumberous" have occurred on timeline