Deep asleep and Fast asleep

Related terms

Deep asleep

Definitions of Deep asleep not found.

Fast asleep and deep asleep are semantically related. In some cases you can replace phrase "Fast asleep" with "Deep asleep", this phrases are similar.

Fast asleep

Fast asleep adjective - Sleeping deeply.

Show all Definitions

Synonyms for Fast asleep

Deep asleep and fast asleep are semantically related. Sometimes you can replace phrase "Deep asleep" with "Fast asleep", this phrases are similar.

Mutual synonyms

dead
dormant
unconscious
comatose
oblivious
sound asleep
dead to the world
dead asleep
sound as a top
in a sound sleep

Cite this Source

Fast asleep and Deep asleep. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/deep_asleep/fast_asleep

Deep asleep & Fast asleep. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/deep_asleep/fast_asleep>.

Fast asleep or Deep asleep. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/deep_asleep/fast_asleep.

Google Ngram Viewer shows how "deep asleep" and "fast asleep" have occurred on timeline