#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