12
out(adjective, hard, cold, odd, senseless)
12
spiritless(adjective, dull, cool, weak, cold)
12
stagnant(adjective, calm, dull, quiet, hard)
12
unfeeling(adjective, cool, cold, indifferent, unfriendly)
11
asleep(adjective, calm, cold, indifferent, still)
11
bushed(adjective, health, beat, weak, informal)
11
fatigued(adjective, health, beat, weak, gloomy)
11
insensitive(adjective, dull, quiet, flat, cold)
11
jejune(adjective, dull, weak, flat, stupid)
11
prosaic(adjective, dull, weak, simple, flat)
11
still(adjective, calm, dull, quiet, flat)
11
weary(adjective, health, beat, weak, informal)
10
absolute(verb, adjective, complete, total, big)
10
callous(adjective, dull, quiet, flat, cold)
10
drained(adjective, health, beat, weak, weary)
10
empty(adjective, dull, negative, blank, bare)
10
humdrum(adjective, dull, simple, flat, plain)
10
inorganic(adjective, characteristic, lifeless, organic, nonliving)
10
insentient(adjective, cold, unfeeling, senseless, lifeless)
10
late(adjective, dull, low, lifeless, live)
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APASmart Define. (2016). dead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dead/thesaurus/synonyms
ChicagoSmart Define. 2016. "dead thesaurus" https://smartdefine.org/dead/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, dead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dead/thesaurus/synonyms>.
MLASmart Define. "dead thesaurus" 18 March 2016. Web. 22 September 2026. <https://smartdefine.org/dead/thesaurus/synonyms>