Slumberous and Soporific

Slumberous

Slumberous adjective - Tending to cause sleep.
Usage example: the slumberous murmer of the wind in the trees

Soporific is a synonym for slumberous in awareness topic. In some cases you can use "Soporific" instead the word "Slumberous" as an adjective or a noun, when it comes to topics like sedative, sleepy. popular alternative

Nearby Words: slumbering, slumber, slumbered

Soporific

Soporific adjective - Tending to cause sleep.
Usage example: this medication is soporific, so do not drive after taking it

Slumberous is a synonym for soporific in awareness topic. You can use "Slumberous" instead the word "Soporific" as an adjective or a noun, if it concerns topics such as sleepy. popular alternative
Cite this Source
Soporific and Slumberous. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/slumberous/soporific
Slumberous & Soporific. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/slumberous/soporific>.
Soporific or Slumberous. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/slumberous/soporific.
Google Ngram Viewer shows how "slumberous" and "soporific" have occurred on timeline