108 entries under subdued topic. ×

84
peaceful(adjective, calm, state, quiet, cool)
80
calm(adjective, feature, state, calm, quiet)
46
composed(adjective, calm, quiet, light, cool)
43
cool(adjective, feature, state, calm, quiet)
40
quiet(adjective, feature, state, calm, light)
37
unruffled(adjective, calm, quiet, cool, smooth)
26
sedate(adjective, calm, quiet, cool, reasonable)
24
imperturbable(adjective, calm, quiet, cool, smooth)
23
collected(adjective, calm, quiet, cool, smooth)
21
dispassionate(adjective, calm, quiet, cool, moderate)
21
pacific(noun, adjective, calm, quiet, cool)
16
mild(adjective, feature, state, calm, quiet)
14
gentle(adjective, calm, quiet, light, cool)
13
impassive(adjective, calm, quiet, cool, moderate)
10
patient(verb, adjective, calm, quiet, cool)
10
easy-going(adjective, feature, state, calm, quiet)
10
steady(adjective, calm, quiet, cool, smooth)
9
orderly(adjective, calm, quiet, smooth, gentle)
8
casual(adjective, feature, state, calm, cool)
8
soft(adjective, calm, quiet, light, kind)
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APASmart Define. (2015). serene thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/serene/thesaurus/synonyms>