121 entries under serene topic. ×

4
contented(adjective, feature, state, calm, quiet)
4
easeful(adjective, calm, quiet, light, smooth)
4
friendly(adjective, calm, quiet, peaceful, easygoing)
4
laid-back(adjective, feature, state, calm, quiet)
4
level(adjective, calm, quiet, smooth, soft)
4
measured(adjective, calm, quiet, soft, reasonable)
4
serious(adjective, calm, cool, relaxed, easygoing)
4
tame(adjective, calm, quiet, kind, soft)
4
together(adjective, calm, quiet, cool, relaxed)
4
unworried(adjective, feature, state, calm, quiet)
3
irenic(adjective, calm, quiet, friendly, mild)
3
low(adjective, calm, quiet, moderate, gentle)
3
permissive(adjective, feature, state, calm, informal)
3
pleasing(adjective, calm, quiet, moderate, gentle)
3
unflustered(adjective, calm, cool, steady, peaceful)
2
cool as cucumber(expression, adjective, idiom, calm, quiet)
2
fixed(adjective, calm, quiet, smooth, shy)
2
free from strife(expression, idiom, calm, quiet, friendly)
2
harmonious(adjective, calm, quiet, cool, smooth)
2
isolated(adjective, shy, stable, peaceful)
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APASmart Define. (2016). tranquil thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tranquil/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquil thesaurus" https://smartdefine.org/tranquil/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, tranquil thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tranquil/thesaurus/synonyms>.
MLASmart Define. "tranquil thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/tranquil/thesaurus/synonyms>