The word "affinal" refers to a relationship by marriage, but what are its antonyms? One antonym for "affinal" is "consanguineous," which refers to a relationship by blood. Another antonym is "unrelated," which means having no connection or relationship to someone by either blood or marriage. "Non-kin" is also an antonym for "affinal" and refers to individuals who are not related either by blood or marriage. Additionally, "extrafamilial" is an antonym that refers to anything that happens outside or beyond the confines of a family or family-related relationship. It is essential to understand the various antonyms for "affinal" for a broader perspective on family relationships.