5
uninhabited(adjective, living, things)
5
uninspiring(adjective, dull, weak, simple, flat)
5
unresponsive(adjective, calm, dull, quiet, flat)
5
waste(adjective, living, things)
4
benumbed(adjective, numb, lethargic, insensible, comatose)
4
blank(adjective, expressionless)
4
breathless
4
characterless(adjective, dull, flat, stupid, tedious)
4
comatose(adjective, dull, slow, careless, indifferent)
4
deadened
4
demised
4
draggy(adjective, dull, quiet, weak, flat)
4
enervated(adjective, dull, flat, low, sad)
4
faint(adjective, weak, feeble, living, lethargic)
4
fallen
4
ho-hum(adjective, dull, simple, flat, clean)
4
impassive(adjective, calm, dull, tough, slow)
4
insentient(adjective, insensible, comatose, inanimate, nonliving)
4
mechanical(adjective, done, powered, motorized, power-driven)
4
nonliving(adjective, inorganic)
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APASmart Define. (2015). lifeless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lifeless/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifeless thesaurus" https://smartdefine.org/lifeless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, lifeless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lifeless/thesaurus/synonyms>.
MLASmart Define. "lifeless thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/lifeless/thesaurus/synonyms>