79 entries under smooth topic. ×

1
matching(adjective, calm, direct, right)
1
of same height(expression, adjective, idiom, calm)
1
on a line(expression, adjective, idiom, calm)
1
on a par(expression, adjective, idiom, calm)
1
on one plane(expression, adjective, idiom, calm)
1
overrun(adjective, wild, fierce, graceful)
1
parallel(adjective, calm, direct, right)
1
planed(adjective, calm, flat, plain)
1
polished(adjective, calm, quiet, soft)
1
precise(adjective, calm, flat, plain)
1
proportionate(adjective, calm, flat, plain)
1
rolled(adjective, calm, flat, plain)
1
stabile(adjective, direct, right, flat)
1
trim(adjective, calm, flat, plain)
1
trimmed(adjective, calm, flat, plain)
1
unwavering(adjective, direct, right, flat)
0
dead flat(expression, adjective, flat, even)
0
flat as a pancake(expression, adjective, idiom, flat)
0
flowing(continuous, graceful, operating, sinuous)
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APASmart Define. (2015). unbroken thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unbroken/thesaurus/synonyms
ChicagoSmart Define. 2015. "unbroken thesaurus" https://smartdefine.org/unbroken/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unbroken thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unbroken/thesaurus/synonyms>.
MLASmart Define. "unbroken thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unbroken/thesaurus/synonyms>