7
asleep(adjective, calm, quiet, moving, gentle)
7
heavy(adjective, upset, dull, quiet, weak)
7
stolid(adjective, dull, quiet, moving, flat)
7
unconscious(adjective, lifeless, unresponsive, unmoving, awake)
6
calm(adjective, quiet, smooth, gentle, indifferent)
6
dead in the water
6
insentient(adjective, cold, dead, apathy, passive)
6
numb(adjective, calm, moving, still, senseless)
6
placid(adjective, calm, dull, quiet, smooth)
6
sleeping(adjective, inactive, hidden, unconscious, motionless)
6
somnolent(adjective, dull, careless, relaxed, indifferent)
6
spiritless(adjective, dull, quiet, weak, easy)
6
standing(adjective, calm, quiet, still, lifeless)
6
tranquil(adjective, calm, quiet, smooth, silent)
5
comatose(adjective, dull, weak, easy, slow)
5
fallow(adjective, calm, gentle, still, sluggish)
5
fixed(adjective, calm, quiet, smooth, still)
5
impersonal(adjective, cold, dead, apathy, passive)
5
lumpish(adjective, dull, slow, heavy, stupid)
5
powerless(adjective, weak, moving, lifeless, unable)
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APASmart Define. (2015). inert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/inert/thesaurus/synonyms
ChicagoSmart Define. 2015. "inert thesaurus" https://smartdefine.org/inert/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, inert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/inert/thesaurus/synonyms>.
MLASmart Define. "inert thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/inert/thesaurus/synonyms>