The phrase "three-way" typically refers to a situation involving three people, three options, or three directions. There are several synonyms that can be used to describe such a scenario. For instance, "trilateral" is a term that refers to three parties or groups, while "triangular" describes a shape consisting of three sides. Similarly, "trichotomy" refers to a split or division into three parts, and "ternary" depicts something that is composed of threes. Other synonym options for "three-way" include "triptych," "tripartite," and "triumvirate." Using these synonyms can add variety and interest to writing or conversation and create a new perspective on a three-way situation.