イドいどFreq.FrequencyTop 50,000Meanings1nounidpsychoanalysisIn Freudian psychoanalysis, the instinctual, unconscious part of the psyche. Often contrasted with 自我 (ego) and 超自我 (superego).See also: 自我 · 超自我フロイトの理り論ろんでは、イドは快かい楽らく原げん則そくに従したがう。In Freud's theory, the id operates on the pleasure principle.