83 entries under lifeless topic. ×

14
lazy(adjective, dull, weak, easy, slow)
13
apathetic(adjective, dull, quiet, weak, easy)
13
unmoving(adjective, quiet, still, passive)
12
flat(adjective, dull, quiet, slow, indifferent)
11
immobile(adjective, action, calm, quiet, gentle)
11
inanimate(adjective, still, alive, languid)
11
phlegmatic(adjective, dull, quiet, weak, easy)
10
indifferent(adjective, dull, quiet, weak, easy)
9
asleep(adjective, action, calm, dull, quiet)
8
latent(adjective, action, calm, quiet, show)
7
extinct(adjective, dull, cold, dead, tired)
7
inoperative(adjective, action, calm, dull, gentle)
6
leaden(adjective, dull, quiet, weak, easy)
6
spiritless(adjective, dull, quiet, weak, easy)
5
defunct(adjective, dull, cold, tired)
5
stolid(adjective, dull, quiet, flat, slow)
5
unresponsive(adjective, dull, quiet, flat, slow)
4
submissive(adjective, quiet, indifferent, apathetic)
4
uninvolved(adjective, quiet, indifferent, detached, aloof)
3
cold(adjective, dull, dead, late)
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APASmart Define. (2015). inactive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>