polyfidelity

Polyfidelity is a form of consensual non-monogamy in which a group of people agrees to be romantically and sexually involved only with other members of the same group. The defining feature is mutual exclusivity within the group, meaning members do not have sexual or romantic relationships with outsiders. Some groups, however, adopt a more permissive stance with outside connections under negotiated conditions.

Groups practicing polyfidelity can range from triads and quads to larger networks. Arrangements may be egalitarian, with decisions made by all members, or hierarchical, with certain roles or leaders. Clear, ongoing communication and written or verbal agreements are commonly used to outline boundaries, rules about dating and intimacy, conflict resolution, parenting or cohabitation arrangements, and safety considerations such as consent and safe sex practices.

In practice, polyfidelity is often discussed alongside polyamory and other forms of non-monogamy. The term emphasizes fidelity within the group rather than fidelity to a single partner. While many polyfidelitous groups aim for long-term commitment, the exact structure and rules vary widely from one group to another.

Ethical considerations include ensuring informed consent, managing jealousy and power dynamics, and addressing legal issues related to parenting, housing, and protection. As with other relationship models, success depends on open communication, mutual respect, and clearly negotiated expectations.