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
Recent Examples on the Web
One group of volunteers had been in rehabilitation from cocaine or heroin/cocaine use.
—
Eva Amsen, Forbes.com, 30 May 2025
My only focus was survival, and that meant finding a way out of the hell of active heroin addiction.
—Ryan Hampton, Time, 28 May 2025
Similarly, David Milch suffered through multiple addictions, including heroin and gambling, but got sober by the time Olivia was 10, while Elizabeth was 15.
—Alan Sepinwall, Rolling Stone, 26 May 2025
On one side of the movie is Alpha getting bullied by her classmates for possibly being contagious, and on the other is Amin flirting with death by heroin because death by the virus is worse.
—Alison Willmore, Vulture, 21 May 2025
See All Example Sentences for heroin
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Eva Amsen, Forbes.com, 30 May 2025
My only focus was survival, and that meant finding a way out of the hell of active heroin addiction.
—Ryan Hampton, Time, 28 May 2025
Similarly, David Milch suffered through multiple addictions, including heroin and gambling, but got sober by the time Olivia was 10, while Elizabeth was 15.
—Alan Sepinwall, Rolling Stone, 26 May 2025
On one side of the movie is Alpha getting bullied by her classmates for possibly being contagious, and on the other is Amin flirting with death by heroin because death by the virus is worse.
—Alison Willmore, Vulture, 21 May 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 10 Jun. 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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