Codependency/ˌkəʊdɪˈpendənsi/ Definition 1 of 2Pro Tip 1/3Emotional Overdependence Refers to excessive emotional reliance on someone, usually unhealthy. Her codependency on her partner made her anxious whenever he left the house. Pro Tip 2/3Approval Seeking Using 'codependency' implies a need for constant validation from others. The codependency in their friendship led to constant reassurance seeking. Pro Tip 3/3Negative Connotation 'Codependency' often suggests a problematic or unbalanced relationship. Therapists identified codependency as a barrier to his personal growth.