[noun] being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs) Synonyms:dependence, dependency, habituation
[noun] an abnormally strong craving
[noun] (Roman law) a formal award by a court sentence of a thing or person to another (as of a debtor to his creditor); a surrender to a master; "under Roman law addiction was the justification for slavery"