Isoperimetrical is a mathematical term that refers to objects with the same perimeter. The term is often used to describe shapes or figures with equal perimeters but different areas. Synonyms for isoperimetrical include equilateral, equiangular, equicrural, equicentric, and homothetic. Equilateral refers to geometric figures with equal sides, equiangular describes figures with equal angles, while equicrural describes any figure with equal legs or sides. Equicentric is used to describe geometric figures with the same center while homothetic refers to shapes that share a common proportion or similarity. These synonyms are useful when working with geometric concepts and can help clarify complex ideas.