Passive
Passive adjective - Receiving or enduring without offering resistance.
Slumberous and passive are semantically related. In some cases you can use "Slumberous" instead an adjective "Passive".
Slumberous
Slumberous adjective - Desiring or needing sleep.
Passive and slumberous are semantically related. Sometimes you can use "Passive" instead an adjective "Slumberous".
Mutual synonyms
Cite this Source
Slumberous and Passive. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/passive/slumberous
Passive & Slumberous. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/passive/slumberous>.
Slumberous or Passive. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/passive/slumberous.
Google Ngram Viewer shows how "passive" and "slumberous" have occurred on timeline