148 entries under serene topic. ×

1
sensible(adjective, calm, relaxed, tranquil, easygoing)
1
sociable(calm, quiet, friendly, good-humored)
1
soothed(adjective, calm, relaxed, tranquil, easygoing)
1
spiritless(adjective, calm, dull, quiet, cool)
1
stable(adjective, calm, quiet, smooth, easy)
1
stagnant(adjective, calm, dull, quiet, smooth)
1
suppressed(adjective, calm, relaxed, tranquil, easygoing)
1
sure of oneself(expression, adjective, idiom, calm, relaxed)
1
taciturn(adjective, close, quiet, cool, gentle)
1
tame(adjective, calm, quiet, cool, kind)
1
together(adjective, calm, quiet, relaxed, casual)
1
unfeeling(adjective, calm, cool, relaxed, casual)
1
unimpressible(adjective, calm, cool, relaxed, casual)
1
without hostility(expression, calm, quiet, friendly)
1
wooden(adjective, dull, quiet, cool, flat)
0
bloodless(calm, quiet, friendly)
0
callous(adjective, dull, quiet, cool, flat)
0
matter of fact(expression, idiom, taciturn)
0
private(adjective, shy, stable, peaceful, tranquil)
0
remote(adjective, shy, stable, peaceful, unconcerned)
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APASmart Define. (2016). placid thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/placid/thesaurus/synonyms
ChicagoSmart Define. 2016. "placid thesaurus" https://smartdefine.org/placid/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, placid thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/placid/thesaurus/synonyms>.
MLASmart Define. "placid thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/placid/thesaurus/synonyms>