| English adjective: quadrilateral | |||
| 1. | quadrilateral having four sides | ||
| Synonyms | four-sided | ||
| Similar | many-sided, multilateral | ||
| Antonyms | unilateral, one-sided | ||
| English noun: quadrilateral | |||
| 1. | quadrilateral (shape) a four-sided polygon | ||
| Synonyms | quadrangle, tetragon | ||
| Broader (hypernym) | polygon, polygonal shape | ||
| Narrower (hyponym) | parallelogram, trapezium, trapezoid | ||