c. 1600, "tendency," of habits, pursuits, etc.; 1640s as "state of being self-addicted," from Latin addictionem (nominative addictio) "an awarding, a devoting," noun of action from past participle stem of addicere (see addict (v.)). Earliest sense was less severe: "inclination, penchant," but this has become obsolete. In main modern sense it is first attested 1906, in reference to opium (there is an isolated instance from 1779, with reference to tobacco).
1. We must concentrate our energies on treating addiction first.
2. The topic of addiction remains something of a taboo.
3. Underneath this image of normalcy, addiction threatened to rip this family apart.
4. I discovered an addiction to housework which I had never felt before.
5. My name is Roseanne and I'm in here for heroin addiction.