900 entries under adjective topic. ×

55
even(verb, adverb, action, calm)
44
level(noun, verb, move, action)
44
slick(verb, appearance, mean, press)
33
flat(verb, calm, weak, kind)
32
slippery(sharp, uncertain, intelligent, cunning)
29
calm(verb, activity, quiet, help)
29
plane(verb, action, calm, press)
28
sleek(verb, press, soft, flat)
28
quiet(verb, calm, dull, help)
26
easy(calm, quiet, style, light)
26
unctuous(false, polite, deceitful, charming)
25
soft(calm, dull, quiet, appearance)
25
fluent(calm, quiet, style, light)
24
glib(light, easy, offensive, false)
24
still(verb, adverb, calm, quiet)
23
silky(appearance, soft, pleasant, easy)
22
oily(soft, coarse, flattery, flattering)
21
suave(style, cool, pleasant, fine)
20
peaceful(calm, quiet, cool, soft)
20
mild(calm, dull, quiet, strong)
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APASmart Define. (2015). smooth thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/smooth/thesaurus/synonyms
ChicagoSmart Define. 2015. "smooth thesaurus" https://smartdefine.org/smooth/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, smooth thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/smooth/thesaurus/synonyms>.
MLASmart Define. "smooth thesaurus" 23 December 2015. Web. 22 September 2026. <https://smartdefine.org/smooth/thesaurus/synonyms>