The infinity sign is a mathematical symbol that represents an infinitely large quantity or eternal concept. While there are no direct synonyms for the infinity sign, there are different ways to describe it. Some alternative phrases to describe the infinity sign include the lemniscate, a symbol of infinity with two loops, a figure eight, and an endless loop. Some might also refer to the infinity symbol as an unbounded or limitless loop, or simply as an infinity symbol. Regardless of the terminology used, the infinity sign remains a compelling symbol that represents boundless possibility and unending potential.