PRIMARY RELATIONSHIP By N., Pam M.S. - April 28, 2013 One's closest relationship. The one relationship the individual deems important enough to invest large amounts of time, energy and physical or emotional capital on. PRIMARY RELATIONSHIP: "Wayne's primary relationship was with his girlfriend." Related Psychology Terms CONSERVATION WITHDRAWAL RELATIVISM QUANTITATIVE APPROACH CATHEXIS POLYPHAGIA CAPITALISM EPHEDRA RELATIONSHIP THERAPY CORE CONFLICTUAL RELATIONSHIP THEME AROUSAL-PERFORMANCE RELATIONSHIP Cite this page: N., Pam M.S., "PRIMARY RELATIONSHIP," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/primary-relationship/ (accessed August 15, 2019).