2
sedative(calm, easy, relaxed, comfortable, contented)
2
self-assured(adjective, calm, relaxed, tranquil, easygoing)
2
self-composed(adjective, unexcitable)
2
sequestered(adjective, shy, stable, peaceful, tranquil)
2
simple
2
static(adjective, calm, quiet, smooth, tranquil)
2
stationary(adjective, calm, quiet, smooth, tranquil)
2
tempered(adjective, calm, weak, smooth, soft)
2
thoughtful
2
tractable(adjective, calm, quiet, cool, soft)
2
unconcerned(adjective, calm, quiet, cool, moderate)
2
undemonstrative(calm, quiet, gentle, aloof, peaceful)
2
unflurried(adjective, calm, tranquil)
2
unflustered(calm, peaceful, tranquil)
2
unstirring(adjective, calm, quiet, smooth, tranquil)
2
unworried(adjective, calm, peaceful, unconcerned, tranquil)
2
warm(adjective, calm, weak, kind, smooth)
2
windless(adjective, quiet, cool, smooth, mild)
1
bane
1
christmassy(adjective, calm, merry, kindness)
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APASmart Define. (2016). placid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/placid/thesaurus/synonyms
ChicagoSmart Define. 2016. "placid thesaurus" https://smartdefine.org/placid/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, placid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/placid/thesaurus/synonyms>.
MLASmart Define. "placid thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/placid/thesaurus/synonyms>