163 entries under smooth topic. ×

2
regular(adjective, calm, dull, quiet)
2
reposing(adjective, quiet, cool, mild)
2
static(adjective, calm, quiet, tranquil)
2
stationary(adjective, calm, quiet, tranquil)
2
tempered(adjective, calm, weak, soft)
2
unstirring(adjective, calm, quiet, tranquil)
2
warm(adjective, calm, weak, kind)
2
windless(adjective, quiet, cool, mild)
1
flat(adjective, calm, dull, quiet, weak)
1
unassuming(adjective, calm, kind, soft)
1
at a standstill(expression, adjective, idiom, quiet, cool)
1
breezy(adjective, calm, weak, soft)
1
buttoned up(expression, adjective, calm, quiet)
1
close-mouthed(adjective, calm, close, quiet)
1
closed(adjective, calm, quiet, tranquil)
1
constant(calm, quiet, friendly, steady)
1
deathly quiet(expression, adjective, calm, quiet)
1
deathly still(expression, adjective, calm, quiet)
1
delicate(adjective, calm, quiet, weak)
1
demulcent(adjective, calm, weak, soft)
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APASmart Define. (2016). placid thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/placid/thesaurus/synonyms
ChicagoSmart Define. 2016. "placid thesaurus" https://smartdefine.org/placid/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, placid thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/placid/thesaurus/synonyms>.
MLASmart Define. "placid thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/placid/thesaurus/synonyms>