domestic partner

This term is primarily used in legal, administrative, and formal contexts to describe a committed relationship that lacks a marriage license. It carries a neutral, clinical tone, often appearing on insurance forms, employment benefits documents, or government registries to grant legal rights to non-married couples.

While it describes a personal bond, the phrase is distinct from "boyfriend" or "girlfriend," which are social labels. Using "domestic partner" typically signals a desire for official recognition of the partnership's stability and permanence rather than just a romantic connection.