Quadrilateral and Trapezoid

Quadrilateral

Quadrilateral noun - A four-sided polygon.
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Synonyms for Quadrilateral

Trapezoid and quadrilateral are semantically related. In some cases you can use "Trapezoid" instead a noun "Quadrilateral".

Trapezoid

Trapezoid noun - A quadrilateral with two parallel sides.
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Synonyms for Trapezoid

Quadrilateral and trapezoid are semantically related. You can use "Quadrilateral" instead a noun "Trapezoid".
Cite this Source
Trapezoid and Quadrilateral. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/quadrilateral/trapezoid
Quadrilateral & Trapezoid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/quadrilateral/trapezoid>.
Trapezoid or Quadrilateral. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/quadrilateral/trapezoid.
Google Ngram Viewer shows how "quadrilateral" and "trapezoid" have occurred on timeline