Asleep
Asleep adjective - Being in a state of suspended consciousness.
Spaced out and asleep are semantically related. In some cases you can use "Spaced out" instead an adjective "Asleep".
Spaced out
Asleep and spaced out are semantically related. Sometimes you can use "Asleep" instead an adjective phrase "Spaced out".
Mutual synonyms
Cite this Source
Spaced out and Asleep. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/asleep/spaced_out
Asleep & Spaced out. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/asleep/spaced_out>.
Spaced out or Asleep. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/asleep/spaced_out.
Google Ngram Viewer shows how "asleep" and "spaced out" have occurred on timeline