14 entries under equilateral topic. ×

2
square(adjective, smooth, right, solid, true)
1
boxlike(adjective, regular, square, patterned, symmetrical)
1
boxy(adjective, regular, square, patterned, symmetrical)
1
equal-sided(adjective, regular, square, patterned, symmetrical)
1
four-sided(adjective, regular, square, symmetrical, angled)
1
foursquare(adjective, regular, square, patterned, symmetrical)
1
orthogonal(adjective, regular, square, patterned, symmetrical)
1
quadrate(adjective, regular, square, symmetrical, angled)
1
quadratic(adjective, regular, square, patterned, symmetrical)
1
quadratical(adjective, regular, square, patterned, symmetrical)
1
rectangular(adjective, regular, square, patterned, symmetrical)
1
right-angled(adjective, regular, square, patterned, symmetrical)
1
squarish(adjective, regular, square, patterned, symmetrical)
0
quadrilateral
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). rectilinear thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rectilinear/thesaurus/synonyms
ChicagoSmart Define. 2015. "rectilinear thesaurus" https://smartdefine.org/rectilinear/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, rectilinear thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rectilinear/thesaurus/synonyms>.
MLASmart Define. "rectilinear thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/rectilinear/thesaurus/synonyms>