Quadrifid is a rare word which means divided into four parts. Although not commonly used, there are some synonyms for this word that can be used in its place. One possible synonym for quadrifid is quadripartite, which also means divided into four parts. Another similar word is quadripartition, which refers to the process of dividing something into four parts. Other possible synonyms include quartered, quadruviate, and tetrapartite. While these words may not be as well-known as quadrifid, they can still be useful for writers and speakers looking for words that convey the same meaning.