Dyads are defined as a group of two people who share a close relationship. Synonyms for the word "dyads" include duos, twosomes, pairs, partners, companions, friends, allies, cohorts, and twain. These descriptions apply to two individuals who share a mutual bond and collaborate in their ventures. Dyads can take the form of familial relationships, friendships, romantic partnerships, or professional unions. The term dyads can be applied to a wide range of social and cultural situations. In business, dyads often refer to a partnership between two individuals working together in a project. In psychology, dyads are commonly used to assess interpersonal relationships between two people.