|1.||[ noun ] (psychology) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)|
|Synonyms:||dependency habituation dependence|
|Related terms:||physiological_state drug_addiction narcotic|
|2.||[ noun ] (Roman law) a formal award by a court sentence of a thing or person to another (as of a debtor to his creditor); a surrender to a master|
"under Roman law addiction was the justification for slavery"
|Related terms:||award Roman_law|
|3.||[ noun ] an abnormally strong craving|