The term "three-parted" is often used to describe an object or organism that is divided into three sections or parts. There are various synonyms that can be used to replace the term "three-parted" in order to add variety and interest to writing. Some possible synonyms include "trifurcated", "tripartite", "ternate", "trisectional", "triune", "trifid", "tripinnate", "trichotomous", and "triplex". These words vary in terms of their technicality and specificity, so it is important to consider the context in which they are used when selecting a synonym. Using different synonyms can enhance writing and make it more engaging for readers.