[noun ad-ikt; verb uh-dikt]


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 formsnon·ad·dict, nounnon·ad·dict·ing, adjective

Synonyms for addict Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for addict

Contemporary Examples of addict

Historical Examples of addict

  • He was a gambler and this talk was like the taste of drugs to an addict.


    Harry Harrison

  • 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

  • Having this in view, one must addict one's self to speaking the truth.

  • 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

  • From their infancy they addict themselves to exercises best calculated to increase the strength and suppleness of their limbs.


    Frederick Shoberl

British Dictionary definitions for addict


verb (əˈdɪkt)

(tr; 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 somethinga jazz addict

Word Origin for addict

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

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

addict in Medicine




One who is addicted, as to narcotics or a compulsive activity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.