7 entries under form topic. ×

20
square(noun, adjective, square, angularity)
16
quadrangle(noun, figure, shape, angularity)
11
diamond(noun, adjective, angularity, oblong)
8
parallelogram(noun, shape, square, diamond)
8
polygon(noun, shape, angularity)
4
oblong
3
solid
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APASmart Define. (2015). quadrilateral thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/quadrilateral/thesaurus/synonyms
ChicagoSmart Define. 2015. "quadrilateral thesaurus" https://smartdefine.org/quadrilateral/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, quadrilateral thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/quadrilateral/thesaurus/synonyms>.
MLASmart Define. "quadrilateral thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/quadrilateral/thesaurus/synonyms>