Crashed
Fast asleep and crashed are semantically related. In some cases you can use "Fast asleep" instead an adjective "Crashed".
Fast asleep
Fast asleep adjective - Sleeping deeply.
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Synonyms for Fast asleep
Crashed and fast asleep are semantically related. Sometimes you can use "Crashed" instead an adjective phrase "Fast asleep".
Mutual synonyms
Related pairs
Cite this Source
Fast asleep and Crashed. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/crashed/fast_asleep
Crashed & Fast asleep. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/crashed/fast_asleep>.
Fast asleep or Crashed. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/crashed/fast_asleep.
Google Ngram Viewer shows how "crashed" and "fast asleep" have occurred on timeline