100 entries under smooth topic. ×

34
level(noun, verb, adjective, activity, feature)
27
smooth(verb, adjective, activity, calm, press)
26
even(verb, adjective, adverb, activity, calm)
26
flat(noun, verb, adjective, calm, quiet)
17
flush(noun, verb, adjective, calm, quiet)
13
horizontal(noun, adjective, calm, quiet, direct)
13
regular(adjective, calm, quiet, right)
12
surface(noun, verb, adjective, part)
12
uniform(verb, adjective, calm, quiet)
11
flatten(verb, activity, calm, quiet, clear)
9
grade(noun, verb, clear, press)
9
plain(noun, adjective, calm, quiet)
7
true(adjective, activity, direct, right)
7
unbroken(adjective, calm, quiet, direct)
6
uninterrupted(adjective, calm, quiet, direct)
6
straight(adjective, calm, direct, right)
4
burnish(verb, clear, press, level)
4
continuous(adjective, calm, quiet, direct)
4
glaze(verb, clear, press, level)
4
gloss(noun, verb, clear, press)
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APASmart Define. (2015). plane thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plane/thesaurus/synonyms
ChicagoSmart Define. 2015. "plane thesaurus" https://smartdefine.org/plane/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, plane thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plane/thesaurus/synonyms>.
MLASmart Define. "plane thesaurus" 24 October 2015. Web. 21 September 2026. <https://smartdefine.org/plane/thesaurus/synonyms>