164 entries under smooth topic. ×

2
pleasant(adjective, calm, quiet, light, secure)
2
subdued(adjective, calm, quiet, kind)
2
unassuming(adjective, calm, quiet, kind)
1
agreeable(adjective, calm, quiet, secure)
1
amicable(adjective, calm, quiet, cool)
1
at rest(expression, adjective, idiom, calm, quiet)
1
balmy(adjective, calm, quiet, kind)
1
soundless(adjective, calm, quiet, tranquil)
1
stationary(adjective, calm, quiet, tranquil)
1
systematic(calm, composed, unflappable)
1
warm(adjective, calm, kind, secure)
1
windless(adjective, quiet, cool, mild)
1
at a standstill(expression, adjective, idiom, quiet, cool)
1
breathless(adjective, quiet, cool, mild)
1
breezeless(adjective, quiet, cool, mild)
1
buttoned up(expression, adjective, calm, quiet)
1
clammed up(expression, adjective, calm, quiet)
1
clement(adjective, calm, quiet, kind)
1
close-mouthed(adjective, calm, close, quiet)
1
closed(adjective, calm, quiet, tranquil)
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APASmart Define. (2015). serene thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/serene/thesaurus/synonyms>