[ uh-dik-shuh n ]
/ əˈdɪk ʃən /


the state of being enslaved to a habit or practice or to something that is psychologically or physically habit-forming, as narcotics, to such an extent that its cessation causes severe trauma.

Origin of addiction

1595–1605; < Latin addictiōn- (stem of addictiō) a giving over, surrender. See addict, -ion


o·ver·ad·dic·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for addiction

British Dictionary definitions for addiction

/ (əˈdɪkʃən) /


the condition of being abnormally dependent on some habit, esp compulsive dependency on narcotic drugs
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

Medicine definitions for addiction

[ ə-dĭkshən ]


Habitual psychological or physiological dependence on a substance or practice beyond one's voluntary control.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for addiction

[ ə-dĭkshən ]

A physical or psychological need for a habit-forming substance, such as a drug or alcohol. In physical addiction, the body adapts to the substance being used and gradually requires increased amounts to reproduce the effects originally produced by smaller doses. See more at withdrawal.
A habitual or compulsive involvement in an activity, such as gambling.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.