Synonyms of rectangular

1 Syllable
long
2 Syllables
oblong, ovoid, oval, squarish, boxy, boxier
3 Syllables
egg-shaped, ovate, ovaloid, ovated, foursquare, quadratic, boxlike, right-angled
4 Syllables
elliptical, elongate, ellipsoidal, ovaliform, rectilinear, equal-sided, quadratical, orthogonal
5 Syllables
equilateral