Heptagonal is a word that describes a shape with seven sides. Some synonyms for heptangular include septagonal, seven-sided, heptahedral, and heptahedron. These words can be used interchangeably to describe any object, shape or structure that has seven sides. Heptagonal shapes can be seen in various aspects of life, from architecture to geometry, and even in sports fields. They are also used in mathematical formulas and can be found in nature, such as the seven-sided heptagonal basalt columns formed by volcanic activity. Knowing different synonyms for heptangular can expand your vocabulary and help you describe shapes or objects more accurately.