132 entries under level topic. ×

4
velvety(adjective, quiet, smooth, soft, gentle)
3
frictionless(adjective, quiet, smooth, soft, gentle)
3
glossy(adjective, quiet, smooth, soft, gentle)
3
serene(adjective, calm, quiet, kind, smooth)
3
silky(adjective, quiet, smooth, soft, gentle)
3
story(receptacle, deck)
3
tranquil(adjective, calm, quiet, kind, smooth)
2
alike(adjective, calm, direct, smooth, right)
2
balanced(adjective, calm, direct, smooth, right)
2
creamy(adjective, quiet, soft, gentle)
2
ground(story, deck)
2
mezzanine(story, deck)
2
parallel(adjective, calm, direct, smooth, right)
2
rolled(adjective, calm, smooth, plain)
2
shaven(adjective, quiet, soft, gentle)
2
shiny(adjective, quiet, smooth, soft, gentle)
2
undisturbed(adjective, quiet, soft, gentle)
2
unwrinkled(adjective, direct, smooth, right)
1
akin(adjective, calm, smooth, plain)
1
aligned(adjective, calm, smooth, plain)
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APASmart Define. (2016). flat thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/flat/thesaurus/synonyms
ChicagoSmart Define. 2016. "flat thesaurus" https://smartdefine.org/flat/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, flat thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/flat/thesaurus/synonyms>.
MLASmart Define. "flat thesaurus" 1 March 2016. Web. 20 September 2026. <https://smartdefine.org/flat/thesaurus/synonyms>