AFFAIR By N., Sam M.S. - 3 noun. an animal union joining two people, in particular one which involves unfaithfulness to a spouse. AFFAIR: "Madeline was crushed by the revelation of her husband's affair." Related Psychology Terms MARRIAGE THERAPY MENTAL HEALTH AND ECONOMIC LEVEL ANIMAL BEHAVIOR HYPERVENTILATION SYNDROME REGRESSION A Comparison of Maternal and Paternal Filicide COCAINE HABITUATION IMPOTENCE ACTIVE PSYCHOTHERAPY ASTHENIC REACTION (Neurasthenia) Cite this page: N., Sam M.S., "AFFAIR," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/affair/ (accessed June 25, 2022).