14 entries under equilateral topic. ×

20
square(noun, adjective, form, square, angularity)
13
four-sided(adjective, square)
10
rectangular(adjective, square, angularity, four)
4
foursquare(square, angularity)
4
quadrate(adjective, square)
2
orthogonal
1
boxy(adjective, square)
1
right-angled(adjective, square)
0
boxlike
0
equal-sided
0
quadratic
0
quadratical
0
rectilinear
0
squarish
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APASmart Define. (2015). quadrilateral thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/quadrilateral/thesaurus/synonyms
ChicagoSmart Define. 2015. "quadrilateral thesaurus" https://smartdefine.org/quadrilateral/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, quadrilateral thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/quadrilateral/thesaurus/synonyms>.
MLASmart Define. "quadrilateral thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/quadrilateral/thesaurus/synonyms>