Synonyms|8Antonyms|0|Broader|0Narrower|0Related|9
4
quadrilateral
3
quadrangle
3
trapezoid
2
tetragon
2
trapeziform
1
four-sided(adjective, quadrilateral)
1
multilateral
1
quadrangular
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APASmart Define. (2013). trapezoidal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/trapezoidal/thesaurus/synonyms
ChicagoSmart Define. 2013. "trapezoidal thesaurus" https://smartdefine.org/trapezoidal/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, trapezoidal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/trapezoidal/thesaurus/synonyms>.
MLASmart Define. "trapezoidal thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/trapezoidal/thesaurus/synonyms>