# Quadrilateral

## Antonyms for quadrilateral:

## Synonyms for quadrilateral:

#### four (adjective)

quadrangular, quartet, square, quarto, four, rectangular, quaternary, quad.

#### rectilinear

#### Other synonyms and related words:

four-sided, many-sided, multilateral.

#### four (noun)

quadrature, Quadrennium, quadrille, foursome.

#### geometric figure (noun)

dodecagon, equilateral triangle, pentahedron, hexagon, polyhedron, polygon, parallelogram, parallelepiped, cusp, rhombus, octagon, dodecahedron, scalene triangle, quadrangle, right-angle triangle, triangle, tetragram, hexahedron, isosceles triangle, tetragon, octahedron, pentagon, heptagon, tetrahedron, trapezoid, decagon.

#### quadrangle (noun)

rectangle, square, rhombus, parallelogram.

#### quadrilateral (noun)

multilateral, tetragon, many-sided, four-sided, quadrangle.

#### square (noun)

## Usage examples for quadrilateral:

- On the other side of the quadrilateral, Maurice's dispositions were as effective as those of his lieutenant on the Waal. - "Project Gutenberg History of The Netherlands, 1555-1623, Complete", John Lothrop Motley.
- The age and weakness of Abdul- Kerim might have excused his comparative inaction in the Quadrilateral in the first half of July. - "The Development of the European Nations, 1870-1914 (5th ed.)", John Holland Rose.
- Marking a quadrilateral outline twenty- four inches on two sides, twelve at the larger end, and nine at the smaller, in such a way that the hair points from the larger to the smaller end; cut this piece and soak it in water until soft, and wash it clean with soap. - "Hunting with the Bow and Arrow", Saxton Pope.