Etymology Borrowed from Latin addictus, past participle of addīcō (“deliver; devote; surrender”), from ad- (“to, towards, at”) + dīcō (“say; declare”)
1
A person who is addicted, especially to a harmful drug.
a heroin addict
He is an addict when it comes to chocolate cookies.
2 more examples
Those nonaddicts who picked a winning card had increased blood flow to the striatum, but the gambling addicts who picked the right card had much less of it (their reward system was less active).2006 June 25, Benoit Denizet-Lewis, “An Anti-Addiction Pill?”, in The New York Times Magazine:
A stressful environment in which there is ready access to drugs can trump a low genetic risk of addiction in these animals. The same may be true for humans, too. And that’s a notion many find hard to believe: Just about anyone, regardless of baseline genetic risk, can become an addict under the right circumstances.2011 August 1, Richard A. Friedman, “Who Falls to Addiction, and Who Is Unscathed?”, in The New York Times:
Etymology Borrowed from Latin addictus, past participle of addīcō (“deliver; devote; surrender”), from ad- (“to, towards, at”) + dīcō (“say; declare”)
1
Ancient Rome To deliver (someone or something) following a judicial decision.
2
Archaic To devote (oneself) to a given activity, occupation, thing etc.
They addict themselves to the civil law.1644 November 3 (Gregorian calendar), John Evelyn, “[Diary entry for 25 October 1644]”, in William Bray, editor, Memoirs, Illustrative of the Life and Writings of John Evelyn, […], 2nd edition, volume I, London: Henry Colburn, […]; and sold by John and Arthur Arch, […], published 1819, →OCLC:
Having resided some time in this place, we returned to the other country-house which we had left, where lord B— addicted himself so much to hunting, and other male diversions, that I began to think he neglected me […].1751, [Tobias] Smollett, chapter 88, in The Adventures of Peregrine Pickle […], volume III, London: Harrison and Co., […], →OCLC:
3
Obsolete To bind (a person or thing) to the service of something.
4
Obsolete To devote or pledge (oneself) to a given person, cause etc.
5
Archaic To devote (one's mind, talent etc.) to a given activity, occupation, thing etc.
That part of mankind that addict their minds to speculations.January 19, 1754, Samuel Johnson, The Adventurer, number 126:
6
To make (someone) become devoted to a given thing or activity; to cause to be addicted.
His genius addicted him to the study of antiquity.a. 1662 (date written), Thomas Fuller, The History of the Worthies of England, London: […] J[ohn] G[rismond,] W[illiam] L[eybourne] and W[illiam] G[odbid], published 1662, →OCLC: