219 entries under lifeless topic. ×

15
mundane(adjective, boring, simple, ordinary, tedious)
15
sad(adjective, unhappy, dark, black, gloom)
15
spiritless(adjective, quiet, weak, kind, soft)
15
stale(adjective, set, hard, weak, simple)
14
colorless(adjective, beat, light, weak, simple)
14
damp(verb, adjective, upset, trouble, quiet)
14
phlegmatic(adjective, calm, tough, slow, relaxed)
14
somber(adjective, upset, quiet, severe, sad)
14
unexciting(adjective, weak, plain, mild, stupid)
14
vague(adjective, weak, soft, gentle, obscure)
14
weak(adjective, hard, light, simple, soft)
13
indolent(adjective, slow, careless, relaxed, indifferent)
13
irksome(adjective, simple, excite, plain, stupid)
13
muted(adjective, quiet, weak, simple, soft)
13
routine(noun, adjective, set, weak, simple)
13
sleepy(adjective, low, careless, relaxed, indifferent)
13
tame(adjective, weak, kind, simple, soft)
12
arid(adjective, excite, stupid, dry, boring)
12
depressing(adjective, unhappy, dark, gloomy, miserable)
12
tiring(adjective, tedious, boring, irritating)
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APASmart Define. (2016). dull thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms>