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1. Being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
   - dependence, dependance [non-standard], dependency, habituation
    
2. An abnormally strong craving
    
3. (Roman law) a formal award by a magistrate of a thing or person to another person (as the award of a debtor to his creditor); a surrender to a master
   "under Roman law addiction was the justification for slavery"

Derived forms: addictions

Type of: award, awarding, craving, physical condition, physiological condition, physiological state

Encyclopedia: Addiction, Treatment and Recovery Caucus