127 entries under even topic. ×

1
planar(adjective, informal)
1
planed(verb, adjective, calm, crush, flat)
1
precise(adjective, calm, flat, plain, level)
1
proportionate(adjective, calm, flat, plain, level)
1
prostrate(verb, adjective, crush, low, level)
1
rippleless(adjective, flat, level, plane)
1
same(adjective, calm, right, flat, level)
1
spread out(verb, expression, adjective, crush, low)
1
static(adjective, calm, quiet, rigid)
1
trim(verb, adjective, calm, influence, flat)
1
trimmed(adjective, calm, flat, plain, level)
1
well-proportioned(adjective, fine, smart, attractive, elegant)
0
compatible(adjective, rigid, inflexible, reliable)
0
dead flat(expression, adjective, flat, balanced)
0
fated(adjective, rigid, inflexible, reliable)
0
fateful(adjective, rigid, inflexible, reliable)
0
flat as a pancake(expression, adjective, idiom, flat)
0
incorrigible(adjective, rigid, inflexible, reliable)
0
invariant(adjective, informal)
0
irreversible(adjective, rigid, inflexible, reliable)
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APASmart Define. (2015). smooth thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/smooth/thesaurus/synonyms
ChicagoSmart Define. 2015. "smooth thesaurus" https://smartdefine.org/smooth/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, smooth thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/smooth/thesaurus/synonyms>.
MLASmart Define. "smooth thesaurus" 23 December 2015. Web. 20 September 2026. <https://smartdefine.org/smooth/thesaurus/synonyms>