Fast asleep
Fast asleep adjective - Sleeping deeply.
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Synonyms for Fast asleep
Sleeping and fast asleep are semantically related. In some cases you can use "Sleeping" instead the phrase "Fast asleep" as an adjective or an adverb.
Sleeping
Sleeping adjective - Being in a state of suspended consciousness.
Fast asleep and sleeping are semantically related. You can use "Fast asleep" instead the word "Sleeping" as an adjective or an adverb.
Mutual synonyms
Related pairs
- inert and fast asleep
- inert and sleeping
- inactive and fast asleep
- inactive and sleeping
- dormant and fast asleep
- dormant and sleeping
- resting and fast asleep
- resting and sleeping
- asleep and fast asleep
- asleep and sleeping
- out and fast asleep
- out and sleeping
- unconscious and fast asleep
- unconscious and sleeping
Both terms in one sentence
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Sleepy Head: Bob-Belle is notable for being fast asleep nearly everywhere you find her, despite the fact the sleeping curse only affects Toads.
Source: Videogame / Toadette Strikes
Cite this Source
Sleeping and Fast asleep. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/fast_asleep/sleeping
Fast asleep & Sleeping. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/fast_asleep/sleeping>.
Sleeping or Fast asleep. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/fast_asleep/sleeping.
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