1. The conditions of being addicted (self-addicted) or given to habits or pursuits; a devotion to causes or to special objectives.
2. States of being addicted to a drug; compulsions and needs to continue taking drugs as a result of taking them in the past.
3. In Roman Law, formally giving over or delivering by sentence of a court, or courts; hence, surrendering, or dedication, of people to masters.

For more information, see these compositions: Addicts and Addiction.