Impartibility is a word used to describe the state of being indivisible or unable to be shared. However, there are other synonyms that can be used to express this concept. One of the most common synonyms is "insurmountable," which means impossible to overcome or surpass. Another synonym that can be used is "indivisibility," which refers to the state of being unable to be divided. Other synonyms include "inseparability," which refers to a state of being unable to be separated, and "unsharability," which means that something cannot be shared or divided. Overall, there are many synonyms available for the word "impartibility," each with its own unique connotations.