The term "penteract" is a mathematical term used to describe a hypercube with five dimensions. It is a shape that is beyond comprehension for many people. There are no specific synonyms for this term, but it can be described as a five-dimensional cube. In other words, a penteract is a complex shape that has five axes or dimensions. It is also referred to as a 5-cube or 5-hypercube. The penteract is a fascinating mathematical shape that is explored by mathematicians in various fields. While the term may be unfamiliar to the general public, it is an important concept in the field of mathematics and geometry.