48 entries under smooth topic. ×

18
still(verb, adjective, adverb, calm, dull)
17
peaceful(adjective, calm, close, quiet, cool)
16
inactive(adjective, action, calm, dull, quiet)
16
tranquil(adjective, calm, quiet, cool)
15
motionless(adjective, calm, dull, quiet, cool)
15
serene(adjective, calm, quiet, cool)
13
placid(adjective, calm, quiet, cool)
9
pacific(adjective, quiet, cool, mild)
9
reposeful(adjective, quiet, cool, slow)
9
restful(adjective, quiet, cool, mild)
8
resting(adjective, calm, peaceful, comfortable)
7
unruffled(adjective, calm, quiet, cool)
7
untroubled(adjective, calm, quiet, cool)
6
content(calm, agreeable, peaceful, comfortable)
6
cool(adjective, calm, quiet, mild)
6
undisturbed(adjective, calm, quiet, cool)
4
halcyon(adjective, calm, quiet, cool)
4
reposing(adjective, quiet, cool, slow)
4
sedate(adjective, calm, quiet, cool)
3
at a standstill(expression, adjective, idiom, calm, quiet)
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APASmart Define. (2015). quiescent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/quiescent/thesaurus/synonyms
ChicagoSmart Define. 2015. "quiescent thesaurus" https://smartdefine.org/quiescent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, quiescent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/quiescent/thesaurus/synonyms>.
MLASmart Define. "quiescent thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/quiescent/thesaurus/synonyms>