120 entries under flowing topic. ×

4
mellifluous(adjective, clear, soft, pleasant, easy)
4
rich(adjective, soft, pleasant, warm, full)
4
shaven(adjective, flat, level, bare, even)
4
talkative(adjective, easy, informal, articulate, confident)
4
undeviating(adjective, direct, right, flat, solid)
4
uneventful(adjective, flat, level, even, plane)
3
constant(adjective, calm, quiet, right, friendly)
3
invariable(adjective, right, flat, solid, level)
3
mellifluent(adjective, soft, pleasant, easy, warm)
3
melodious(adjective, clear, soft, pleasant, warm)
3
running(adjective, calm, quiet, light, simple)
3
thin(adjective, dull, weak, soft, easy)
3
tuneful(adjective, clear, soft, pleasant, warm)
2
chatty(easy, articulate, confident, talkative)
2
cogent(adjective, easy, articulate, confident, talkative)
2
cursive(adjective, calm, quiet, light, simple)
2
euphonic(adjective, pleasant, harmonious, melodious)
2
garrulous(easy, articulate, confident, talkative)
2
incessant(continuous, operating)
2
planate(adjective, calm, direct, right, flat)
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APASmart Define. (2015). smooth thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/smooth/thesaurus/synonyms
ChicagoSmart Define. 2015. "smooth thesaurus" https://smartdefine.org/smooth/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, smooth thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/smooth/thesaurus/synonyms>.
MLASmart Define. "smooth thesaurus" 23 December 2015. Web. 25 September 2026. <https://smartdefine.org/smooth/thesaurus/synonyms>