heroin
noun
her·o·in
ˈher-ə-wən 
ˈhe-rə-
: a strongly physiologically addictive narcotic C21H23NO5 that is made by acetylation of but is more potent than morphine and that is prohibited for medical use in the U.S. but is used illicitly for its euphoric effects
Examples of heroin in a Sentence
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Experts have said there is no evidence that equates ending the use of antidepressants to ending the use of heroin or to suggest that people on SSRIs are more likely to be violent.
—
Mary Kekatos, ABC News, 29 Apr. 2025
Investigators also found hundreds of bullets and high-capacity magazines, and a large amount of drugs, including heroin, cocaine, amphetamines, and fentanyl, prosecutors said.
—Louis Casiano, FOXNews.com, 25 Apr. 2025
Investigators also found hundreds of bullets and high-capacity magazines, and a large amount of drugs, including heroin, cocaine, amphetamines and fentanyl, prosecutors said.
—CBS News, 25 Apr. 2025
Also recovered were high-capacity magazines, hundreds of bullets, heroin, cocaine, amphetamines and fentanyl, according to court docs.
—Molly Crane-Newman, New York Daily News, 24 Apr. 2025
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Mary Kekatos, ABC News, 29 Apr. 2025
Investigators also found hundreds of bullets and high-capacity magazines, and a large amount of drugs, including heroin, cocaine, amphetamines, and fentanyl, prosecutors said.
—Louis Casiano, FOXNews.com, 25 Apr. 2025
Investigators also found hundreds of bullets and high-capacity magazines, and a large amount of drugs, including heroin, cocaine, amphetamines and fentanyl, prosecutors said.
—CBS News, 25 Apr. 2025
Also recovered were high-capacity magazines, hundreds of bullets, heroin, cocaine, amphetamines and fentanyl, according to court docs.
—Molly Crane-Newman, New York Daily News, 24 Apr. 2025
See All Example Sentences for heroin
Cite this Entry
“Heroin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heroin. Accessed 3 May. 2025.
Copy CitationKids Definition
heroin
noun
her·o·in
ˈher-ə-wən
: a strongly addictive drug made from the opium poppy and stronger than morphine
Medical Definition
heroin
noun
her·o·in
ˈher-ə-wən
: a strongly physiologically addictive narcotic C21H23NO5 that is made by acetylation of but is more potent than morphine and that is prohibited for medical use in the United States but is used illicitly for its euphoric effects
called also acetomorphine, diacetylmorphine, diamorphine
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