491 entries under adjective topic. ×

6
tired(dull, careless, indifferent, dry)
6
unanimated(dull, boring, late, uninteresting)
6
unconscious(cold, useful, fixed, unresponsive)
6
unexciting(dull, quiet, weak, flat)
6
wooden(dull, spiritless)
5
dopey(dull, flat, low, sad)
5
glassy(expressionless, especially)
5
hollow(dull, stiff, impassive, uninteresting)
5
insensate(living, insensible, things, comatose)
5
lumpish(dull, slow, heavy, sluggish)
5
pale(weak, feeble, white, colorless)
5
prosy(dull, weak, simple, tough)
5
quiescent(calm, quiet, gentle, indifferent)
5
reposing
5
sedentary(inactive, inert)
5
stodgy(dull, flat, excite, stupid)
5
tepid(dull, warm, boring, uninteresting)
5
uninhabited(living, things)
5
uninspiring(dull, weak, simple, flat)
5
unresponsive(calm, dull, quiet, flat)
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APASmart Define. (2015). lifeless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lifeless/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifeless thesaurus" https://smartdefine.org/lifeless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, lifeless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lifeless/thesaurus/synonyms>.
MLASmart Define. "lifeless thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/lifeless/thesaurus/synonyms>