76 entries under lifeless topic. ×

14
numb(adjective, calm, feeling, hard, tough)
12
dormant(adjective, calm, dull, gentle, still)
12
inactive(adjective, action, calm, dull, quiet)
11
sleepy(adjective, dull, quiet, flat, slow)
10
dead(adjective, calm, cold, indifferent, still)
10
inert(adjective, calm, quiet, moving, gentle)
8
deceased(adjective, dead, late, live)
8
departed(adjective, dead, late, live)
7
defunct(adjective, dead, late, live)
6
idle(adjective, calm, dull, quiet, gentle)
6
extinct(adjective, dead, late, live)
6
torpid(adjective, calm, dull, quiet, slow)
5
dull(adjective, quiet, still, tired, sluggish)
5
inanimate(adjective, calm, hard, tough, severe)
5
late(adjective, dead, live, obsolete)
5
quiescent(adjective, calm, dull, quiet, gentle)
5
quiet(adjective, calm, dull, gentle, slow)
4
passive(adjective, calm, dull, sluggish)
4
reposing(adjective, calm, quiet, late)
4
still(adjective, calm, dull, gentle, sluggish)
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APASmart Define. (2016). asleep thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/asleep/thesaurus/synonyms
ChicagoSmart Define. 2016. "asleep thesaurus" https://smartdefine.org/asleep/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, asleep thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/asleep/thesaurus/synonyms>.
MLASmart Define. "asleep thesaurus" 8 February 2016. Web. 25 September 2026. <https://smartdefine.org/asleep/thesaurus/synonyms>