Synonyms of affinity

1. affinity, attraction, attractive force: usage: (immunology) the attraction between an antigen and an antibody
2. affinity, kinship, family relationship, relationship: usage: (anthropology) kinship by marriage or adoption; not a blood relationship
3. affinity, phylogenetic relation, kinship, family relationship, relationship: usage: (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts; "in anatomical structure prehistoric man shows close affinity with modern humans"
4. affinity, kinship, relation: usage: a close connection marked by community of interests or similarity in nature or character; "found a natural affinity with the immigrants"; "felt a deep kinship with the other students"; "anthropology's kinship with the humanities"
5. affinity, chemical attraction, force: usage: the force attracting atoms to each other and binding them together in a molecule; "basic dyes have an affinity for wool and silk"
6. affinity, resemblance: usage: inherent resemblance between persons or things
7. affinity, attraction, attractiveness: usage: a natural attraction or feeling of kinship; "an affinity for politics"; "the mysterious affinity between them"; "James's affinity with Sam"