99 entries under smooth topic. ×

2
unvarying(adjective, calm, quiet, soft)
2
unwrinkled
2
windless(adjective, quiet, cool, mild)
1
agreeable(calm, easy, relaxed, comfortable)
1
amicable(adjective, calm, quiet, cool)
1
at a standstill(expression, adjective, idiom, quiet, cool)
1
breathless(adjective, quiet, cool, mild)
1
breezeless(adjective, quiet, cool, mild)
1
bucolic(adjective, quiet, cool, mild)
1
buttoned up(expression, adjective, calm, quiet)
1
clammed up(expression, adjective, calm, quiet)
1
close-mouthed(adjective, calm, quiet, tranquil)
1
closed(adjective, calm, quiet, tranquil)
1
deathlike(adjective, calm, quiet, tranquil)
1
deathly(adjective, calm, quiet, tranquil)
1
deathly quiet(expression, adjective, calm, quiet)
1
deathly still(expression, adjective, calm, quiet)
1
easeful(adjective, calm, quiet, friendly)
1
easy-going(adjective, calm, quiet, restrained)
1
fair(adjective, calm, still, detached)
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APASmart Define. (2015). unruffled thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unruffled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unruffled thesaurus" https://smartdefine.org/unruffled/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unruffled thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unruffled/thesaurus/synonyms>.
MLASmart Define. "unruffled thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unruffled/thesaurus/synonyms>