The state of being related by “blood”, i.e. genetically.

An emotionally heightened state of mind experienced at the beginning of sexual and romantic relationships.

plural of blood relationship

Lack of relation.

(rare) Absence of a relationship.

(anthropology) A social relationship that allows one person to tease or mock another in a way that would otherwise be viewed as inappropriate.

The practice of seeking romantic or sexual partners based on a shortlist of attributes, like a consumer shopping for a product.

plural of joking relationship

A romantic relationship between two people who live far apart, but usually maintain contact telematically.

(neologism, vulgar) A failed or failing relationship.