An open partnership, also called non-exclusive relationship, can be an intimate relationship that’s sexually non-monogamous.
The word may make reference to polyamory, but normally indicates a romantic relationship where there’s a primary psychological and intimate romantic relationship between two companions, who consent to at least the chance of intimacy with other folks.
Open relationships include things like any kind of partnership (dating, relationship, etc.) that’s open. The idea of an open romantic relationship has been identified because the 1970s.