77 entries under dull topic. ×

19
inactive(adjective, calm, quiet, gentle)
15
sluggish(adjective, calm, quiet, moderate)
14
dead(adjective, calm, quiet, hard)
9
languid(adjective, quiet, flat, slow)
7
flat(adjective, quiet, hard, slow)
7
languorous(adjective, slow, heavy, apathetic)
6
phlegmatic(adjective, quiet, easy, slow)
6
slow(adjective, quiet, flat, heavy)
5
apathetic(adjective, quiet, easy, flat)
5
slack(adjective, quiet, moderate, flat)
3
leaden(adjective, quiet, moderate, easy)
3
sleepy(sluggish, late, lazy, listless)
2
backward(late, behind)
2
comatose(adjective, slow, heavy, apathetic)
2
dopey(adjective, slow, heavy, apathetic)
2
hebetudinous(adjective, slow, heavy, apathetic)
2
insensible(adjective, quiet, flat, heavy)
2
lumpish(adjective, slow, heavy, sluggish)
2
sluggard(noun, adjective, slow, heavy)
2
tame(late, behind)
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APASmart Define. (2015). stagnant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stagnant/thesaurus/synonyms
ChicagoSmart Define. 2015. "stagnant thesaurus" https://smartdefine.org/stagnant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, stagnant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stagnant/thesaurus/synonyms>.
MLASmart Define. "stagnant thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/stagnant/thesaurus/synonyms>