In psychoanalytic theory, a desire for sexual involvement with the parent of the opposite sex and a sense of rivalry with the parent of the same sex.
The term was introduced by Interpretation of Dreams (1899) and is derived from the mythological {{link=Oedipus">Oedipus , who killed his father and married his mother; its female analogue is the Electra complex. Considered a normal stage in the development of children ages three to five, it ends when the child identifies with the parent of the same sex and represses its sexual instincts. Freud believed that the process of overcoming the Oedipus complex gave rise to the superego .