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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It was often mixed with heroin or into counterfeit pills, most likely because adding fentanyl could make a small amount of heroin, then in short supply, go a lot further.
—
Moises Velasquez-Manoff Robert Petkoff Emma Kehlbeck Zak Mouton, New York Times, 16 Feb. 2025
Brand founded the charity following his own recovery from heroin addiction in 2003.
—Caroline Frost, Deadline, 15 Feb. 2025
The packages contained Bibles, which contained a total of about 23 grams of heroin hidden in the spines, according to prosecutors.
—City News Service, San Diego Union-Tribune, 14 Feb. 2025
During the investigation, Bessette said authorities found 648 bags of heroin, 24.3 grams of crack, 13.7 grams of marijuana, 43.1 grams of crack cocaine, 563 glassine bags packaged for sale and $2,307.
—Justin Muszynski, Hartford Courant, 12 Feb. 2025
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Moises Velasquez-Manoff Robert Petkoff Emma Kehlbeck Zak Mouton, New York Times, 16 Feb. 2025
Brand founded the charity following his own recovery from heroin addiction in 2003.
—Caroline Frost, Deadline, 15 Feb. 2025
The packages contained Bibles, which contained a total of about 23 grams of heroin hidden in the spines, according to prosecutors.
—City News Service, San Diego Union-Tribune, 14 Feb. 2025
During the investigation, Bessette said authorities found 648 bags of heroin, 24.3 grams of crack, 13.7 grams of marijuana, 43.1 grams of crack cocaine, 563 glassine bags packaged for sale and $2,307.
—Justin Muszynski, Hartford Courant, 12 Feb. 2025
See all Example Sentences for heroin
Dictionary Entries Near heroin
Cite this Entry
“Heroin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heroin. Accessed 21 Feb. 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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