Illimitableness refers to something that cannot be limited or restricted. It denotes boundlessness, limitlessness, and infinity. Synonyms for illimitableness include immeasurability, vastness, endlessness, unlimitedness, infinity, and boundlessness. Essentially, these words all emphasize the extent to which something extends beyond measure. Illimitableness is often used to describe abstract concepts such as potential, creativity, and freedom. It can also describe physical space, such as the vastness of outer space. These synonyms for illimitableness have a similar connotation and can be used interchangeably to convey the idea of something having no limit or boundary.