n. being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
n. an abnormally strong craving
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
n. 瘾( addiction的复数形式 ); 吸毒成瘾; 沉溺; 癖好