Medical 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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Dictionary: Definition of "addiction" Thesaurus: All synonyms and antonyms for "addiction" Spanish Central: Translation of "addiction" Nglish: Translation of "addiction" for Spanish speakers Britannica English: Translation of "addiction" for Arabic speakers Britannica.com: Encyclopedia article about "addiction"
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