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1. (psychoanalysis) primitive instincts and energies underlying all psychic activity

1. A state in the Rocky Mountains
   - Idaho, Gem State, Id.
    
2. A card or badge used to identify the bearer
   "you had to show your ID in order to get in";
   - I.D.

1. I would; I should; I had

Derived forms: IDs, ids

Type of: American state, badge, inherent aptitude, instinct, positive identification

Part of: America, the States, U.S., U.S.A., unconscious, unconscious mind, United States, United States of America, US, USA

Encyclopedia: Id, ego, and superego