The phrase "most quadripartite" can be expressed using a range of synonyms that convey a similar meaning. Some possibilities include phrases like "highly divided into four parts," "incredibly four-parted," "extremely four-fold," or "very four-way." Other alternatives may include "predominantly quadripartite," "largely divided into quartets," or "overwhelmingly separated into four sections." Regardless of the specific phrasing used, these synonyms convey the idea of a complex division or separation that is primarily characterized by four distinct parts or sections.