282 entries under smooth topic. ×

2
assist(verb, quiet, help, reduce, promote)
2
benign(adjective, weak, soft, pleasant)
2
effortless(adjective, quiet, light, cool)
2
faint(adjective, quiet, weak, moderate)
2
fine(adjective, clear, weak, soft)
2
flush(verb, adjective, quiet, flat)
2
forgiving(adjective, quiet, kind, soft)
2
free(verb, quiet, help, reduce, release)
2
genial(adjective, quiet, weak, soft)
2
good-tempered(adjective, kind, soft, gentle)
2
horizontal(adjective, flat, plain, level)
2
humane(adjective, kind, soft, pleasant)
2
lighten(verb, dull, quiet, help, check)
2
noiseless(adjective, quiet, tranquil, silent)
2
nonviolent(adjective, quiet, gentle, friendly)
2
obliging(adjective, kind, soft, gentle)
2
plain(adjective, quiet, light, weak)
2
soundless(adjective, quiet, tranquil, silent)
2
stop(noun, verb, break, quiet)
2
trim(adjective, flat, plain, level)
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APASmart Define. (2016). calm thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/calm/thesaurus/synonyms
ChicagoSmart Define. 2016. "calm thesaurus" https://smartdefine.org/calm/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, calm thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/calm/thesaurus/synonyms>.
MLASmart Define. "calm thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/calm/thesaurus/synonyms>