Addiction - Definition

n 1: being abnormally tolerant to and dependent on something
that is psychologically or physically habit-forming
(especially alcohol or narcotic drugs) [syn: addiction,
dependence, dependance, 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"