56 entries under smooth topic. ×

8
laid-back(adjective, feature, state, trait, characteristic)
7
at ease(expression, adjective, state, calm, quiet)
7
motionless(adjective, quiet, cool, mild)
7
resting(adjective, calm, still, tranquil)
6
pastoral(adjective, calm, quiet, cool)
6
noiseless(adjective, soft, quiet, reticent)
6
at rest(expression, adjective, state, feeling)
6
benign(adjective, calm, good, weak)
6
inactive(adjective, quiet, cool, mild)
6
warm(adjective, calm, weak, soft)
5
bland(adjective, calm, quiet, cool, weak)
5
cozy(adjective, calm, quiet, light)
5
windless(adjective, cool, mild, characteristic)
2
deathly quiet(expression, adjective, calm, quiet)
2
deathly still(expression, adjective, calm, quiet)
2
stormless(adjective, quiet, cool, mild)
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APASmart Define. (2016). peaceful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/peaceful/thesaurus/synonyms
ChicagoSmart Define. 2016. "peaceful thesaurus" https://smartdefine.org/peaceful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, peaceful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/peaceful/thesaurus/synonyms>.
MLASmart Define. "peaceful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/peaceful/thesaurus/synonyms>