Synonyms of addiction
1
: a compulsive, chronic, physiological or psychological need for a habit-forming substance, behavior, or activity having harmful physical, psychological, or social effects and typically causing well-defined symptoms (such as anxiety, irritability, tremors, or nausea) upon withdrawal or abstinence : the state of being addicted
alcohol addiction
an addiction to prescription painkillers
drug addictions
gambling addiction
2
: a strong inclination to do, use, or indulge in something repeatedly
But those who know him well say he isn't driven by politics as much as his addiction to breaking news.—Amanda Ripley
If we do not find the courage to kick our fossil fuel addiction and transition to clean energy, we will warm the atmosphere to the extent that areas typically covered in white all winter long could see only sporadic snow.—Steven Nyman

Examples of addiction in a Sentence

He has a drug addiction. His life has been ruined by heroin addiction. He devotes his summers to his surfing addiction.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Christen said the suspect has a history of psychological and psychiatric problems and of drug addiction. — ABC News, 29 Oct. 2026 This research has informed federal investigations into the role of private equity in expanding access to medications for addiction treatment. — Yashaswini Singh, The Conversation, 28 Oct. 2026 Panettiere, who is survived by her 11-year-old daughter Kaya, had been open about her struggles with addiction. — Nicole Acosta, PEOPLE, 28 Oct. 2026 But addiction experts say the factors are far more complicated than one administration’s policies. — Theresa Gaffney, STAT, 28 Oct. 2026 See All Example Sentences for addiction

Word History

Etymology

earlier, "inclination, bent," in part derivative of addict entry 2, in part borrowed from Latin addictiōn-, addictiō "adjudging (of disputed property), assignment of a debtor to the custody of his creditor," from addīcere "to assign (property), hand over, give up to" + -tiōn-, -tiō, suffix of action nouns — more at addict entry 2

First Known Use

circa 1532, in the meaning defined at sense 2

Time Traveler
The first known use of addiction was circa 1532

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Cite this Entry

“Addiction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/addiction. Accessed 1 Nov. 2026.

Kids Definition

addiction

noun
: the quality or state of being addicted
especially : uncontrollable use of habit-forming drugs

Medical Definition

addiction

noun
: a compulsive, chronic, physiological or psychological need for a habit-forming substance, behavior, or activity having harmful physical, psychological, or social effects and typically causing well-defined symptoms (such as anxiety, irritability, tremors, or nausea) upon withdrawal or abstinence : the state of being addicted
alcohol addiction
an addiction to prescription painkillers
drug addictions
gambling addiction

Legal Definition

addiction

noun
: compulsive physiological need for a habit-forming drug (as heroin)

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