addiction


ad·dic·tion

noun \ə-ˈdik-shən\

Definition of ADDICTION

: compulsive physiological need for and use of a habit-forming substance (as heroin, nicotine, or alcohol) characterized by tolerance and by well-defined physiological symptoms upon withdrawal; broadly : persistent compulsive use of a substance known by the user to be physically, psychologically, or socially harmful—compare habituation

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