90 entries under serene topic. ×

2
steady(adjective, calm, quiet, smooth, friendly)
2
tame(adjective, calm, quiet, moderate, easy)
2
temperate(adjective, calm, quiet, cool, moderate)
1
all quiet(expression, calm, quiet, friendly)
1
amicable(adjective, calm, quiet, cool, smooth)
1
at ease(expression, adjective, calm, quiet, easy)
1
collected(adjective, calm, quiet, cool, smooth)
1
comforting(adjective, calm, quiet, easy, mild)
1
composed(adjective, calm, quiet, cool, smooth)
1
constant(calm, quiet, friendly)
1
docile(adjective, calm, moderate, tender, mild)
1
easeful(calm, quiet, friendly)
1
easygoing(adjective, calm, quiet, smooth, easy)
1
fixed(adjective, calm, quiet, smooth, mild)
1
free from strife(expression, idiom, calm, quiet, friendly)
1
inactive(adjective, quiet, cool, smooth, mild)
1
irenic(calm, quiet, friendly, mild, easygoing)
1
level(adjective, calm, quiet, smooth, friendly)
1
low(adjective, calm, quiet, moderate, easy)
1
meek(adjective, calm, moderate, tender, mild)
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APASmart Define. (2016). halcyon thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/halcyon/thesaurus/synonyms
ChicagoSmart Define. 2016. "halcyon thesaurus" https://smartdefine.org/halcyon/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, halcyon thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/halcyon/thesaurus/synonyms>.
MLASmart Define. "halcyon thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/halcyon/thesaurus/synonyms>