58 entries under flatten topic. ×

34
level(noun, verb, adjective, activity, feature)
27
smooth(verb, adjective, activity, calm, press)
26
even(verb, adjective, adverb, activity, calm)
17
flush(noun, verb, adjective, calm, quiet)
12
surface(noun, verb, adjective, part, smooth)
11
flatten(verb, activity, calm, quiet, clear)
9
grade(noun, verb, clear, press, smooth)
9
shave(verb, cut, reduce, diminish, curtail)
4
burnish(verb, clear, press, smooth, level)
4
glaze(verb, clear, press, smooth, level)
4
gloss(noun, verb, clear, press, smooth)
4
iron(verb, calm, quiet, clear, press)
4
lay(verb, calm, quiet, clear, press)
4
mow(verb, cut, reduce, smooth, crush)
4
polish(verb, adjective, clear, press, smooth)
3
slick(verb, clear, press, smooth, level)
3
smoothen(verb, smooth, crush, smash)
3
trim(verb, adjective, calm, cut, smooth)
2
clear(verb, adjective, press, level, flush)
2
compress(verb, smooth, crush, level, smash)
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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>