#1 addiction n. [dependence, dependance, dependency, habituation] being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs). wn
#2 addiction n. an abnormally strong craving. wn
#3 addiction n. (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". wn
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