109 entries under calm topic. ×

32
dead(adjective, dull, quiet, weak)
30
dull(adjective, weak, simple, tough)
23
inert(adjective, dull, quiet, smooth)
22
flat(adjective, dull, quiet, weak)
22
inactive(adjective, dull, quiet, gentle)
22
listless(adjective, dull, quiet, weak)
21
inanimate(adjective, dull, still, dead)
20
sluggish(adjective, dull, quiet, gentle)
20
torpid(adjective, dull, quiet, flat)
16
passive(adjective, dull, quiet, gentle)
15
lethargic(adjective, dull, flat, slow)
14
dry(adjective, dull, simple, tough)
11
cold(adjective, dull, tough, soft)
11
still(adjective, dull, quiet, gentle)
10
apathetic(adjective, dull, quiet, tough)
10
idle(adjective, dull, quiet, gentle)
10
motionless(adjective, quiet, smooth, moving)
10
phlegmatic(adjective, quiet, tough, slow)
9
static(adjective, dull, quiet, smooth)
9
unmoving(adjective, quiet, still, dead)
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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>