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[noun ad-ikt; verb uh-dikt] /noun ˈæd ɪkt; verb əˈdɪkt/
a person who is addicted to an activity, habit, or substance:
a drug addict.
verb (used with object)
to cause to become physiologically or psychologically dependent on an addictive substance, as alcohol or a narcotic.
to habituate or abandon (oneself) to something compulsively or obsessively:
a writer addicted to the use of high-flown language; children addicted to video games.
Origin of addict
1520-30; < Latin addictus assigned, surrendered (past participle of addīcere, equivalent to ad- ad- + dic- (variant stem of dīcere to fix, determine) + -tus past participle suffix)
Related forms
nonaddict, noun
nonaddicting, adjective
1. adherent, devotee; fanatic; junkie. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for addict
Contemporary Examples
Historical Examples
  • And it is a very risky thing for a woman to marry an addict with the idea of reforming him.

    Woman William J. Robinson
  • He decided that she must be an addict of some drug, perhaps like the black lotus of Xuthal.

    The Devil in Iron Robert E. Howard
  • If we addict ourselves to the vices of the age, can we warn the people against them with any hope of success?

  • He's a man dressed in a weird outfit out of an addict's nightmare and appears to be the boss of this crew of rugged campers.

    The Ethical Engineer Henry Maxwell Dempsey
  • He was a gambler and this talk was like the taste of drugs to an addict.

    Deathworld Harry Harrison
British Dictionary definitions for addict


verb (əˈdɪkt)
(transitive; usually passive) often foll by to. to cause (someone or oneself) to become dependent (on something, esp a narcotic drug)
noun (ˈædɪkt)
a person who is addicted, esp to narcotic drugs
(informal) a person who is devoted to something: a jazz addict
Word Origin
C16: (as adj and as vb; n use C20): from Latin addictus given over, from addīcere to give one's assent to, from ad- to + dīcere to say
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for addict

1530s (implied in addicted), from Latin addictus, past participle of addicere "to deliver, award, yield; give assent, make over, sell," figuratively "to devote, consecrate; sacrifice, sell out, betray" from ad- "to" (see ad-) + dicere "say, declare" (see diction), but also "adjudge, allot." Earlier in English as an adjective, "delivered, devoted" (1520s). Related: Addicted; addicting.


1909, in reference to morphine, from addict (v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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addict in Medicine

addict ad·dict (ə-dĭkt')
v. ad·dict·ed, ad·dict·ing, ad·dicts
To become or cause to become compulsively and physiologically dependent on a habit-forming substance. n. (ād'ĭkt)
One who is addicted, as to narcotics.

ad·dic'tive adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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