The word "measurelessness" refers to the state of being boundless or limitless. However, there are several other synonyms that can be used to convey a similar meaning. For instance, the word "infinite" suggests something endless or immeasurable. Similarly, the word "boundlessness" can be used to describe an unrestricted or limitless state. "Unfathomable" is another synonym that can be used to refer to that which is too deep or impossible to measure. Additionally, "unlimited" is a word that can be used to describe something without any restrictions or boundaries. These synonyms for "measurelessness" can be used in various contexts to communicate the same idea of infinite, immeasurable, and limitless possibilities.