"Attachment insecurity" refers to a lack of confidence or trust in the stability of relationships. It can make someone worry about being abandoned or rejected by others. Full definition
Studies even suggest that adults with attachment insecurity are more likely to suffer from depression, anxiety, and be less satisfied in marriage. (mindbodygreen.com)
Adolescent depression has also been related to maternal attachment insecurity. (personalityresearch.org)
They used two dimensions of attachment to study the relationship between attachment insecurity and violent anger in adult love relationships. (michaelregier.com)