Most equilateral is a term used to describe a geometric shape that has sides of equal length. However, there are several other synonyms for this term, including isosceles, regular, and uniform. Isosceles describes a triangle with two sides of equal length. Regular means that all sides are of equal length and all angles are of equal measure. Uniform describes a shape with equal measurements throughout. These words can be used interchangeably with most equilateral to describe shapes such as triangles, squares, and hexagons. Using these synonyms effectively can help make writing about geometric shapes more specific and concise.