The phrase "not distributed" could be replaced with various synonyms to make it sound more expressive. The word "undistributed" could be used to imply that something has yet to be distributed or is unavailable. Another synonym could be "unallocated," signifying that something has not been assigned or allotted. The term "unshared" could suggest that something has not been divided among individuals or groups. Additionally, "unspread" could connote that something has not been disseminated or shared widely. The word "untouched" could imply that something has not been accessed or used. In summary, there are multiple synonyms for "not distributed" that can be used to convey a specific tone or meaning.