Objective: Borderline personality disorder is a disorder characterized by real or imaginary abandonment and excessive preoccupation with irregularities in interpersonal relationships, self, affect, behavior, and cognitions. The sensitivity of rejection is one of the main features of borderline personality disorder. Borderline patients experience great discomfort in their close relationships which looks so familiar with the fear of intimacy, the concept that affects people\'s interpersonal relationships and is defined by the unconscious fear of intimacy and avoidance of intimacy. The aim of this study clarifying the relationship between rejection sensitivity and fear of intimacy, the features which make borderline patients’ close relationships even more complicated.

Material and Method: Participants were asked to fill in the Borderline Personality Questionnaire, Adult Rejection Sensitivity Scale, Fear of Intimacy Scale, and socio-demographic data form. Pearson correlation analysis, Independent Groups t-test, ANOVA, and Multiple Linear Regression were used for predictive analysis.

Results: As a result of the study, It was found that borderline personality features were higher in individuals with higher levels of both the rejection sensitivity level and the fear of intimacy level (p <0.05). Both rejection sensitivity (39%) and fear of intimacy (43%) predicted personality features. When fear of intimacy and rejection sensitivity comes together they explain the variation in borderline personality features (49%). Also rejection sentivity predicted fear of intimacy (46%).

Conclusion: The results of the study show that interventions to reduce anxiety about rejection and intimacy can contribute to the prevention or reduc-tion of borderline personality traits. Also it is seen fear of intimacy may be an aspect of rejection sensitivity to prevent rejection.