fentanyl
noun
fen·ta·nyl
ˈfen-tə-ˌnil 
: a synthetic opioid narcotic analgesic C22H28N2O with pharmacological action similar to morphine that is administered transdermally as a skin patch and in the form of its citrate C22H28N2O·C6H8O7 is administered orally or parenterally (as by intravenous or epidural injection)
Examples of fentanyl in a Sentence
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The White House may use Section 301 to reimpose tariffs on Mexico, Canada and China over the nations' respective roles in the transport of fentanyl to the U.S., Childress said.
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Max Zahn, ABC News, 30 May 2025
The comments follow a ruling from judges on the Court of International Trade who said Trump exceeded his authority on tariffs, which are aimed both at combating barriers against American goods abroad and stemming the flow of fentanyl across the U.S. border.
—Jeff Cox, CNBC, 29 May 2025
Two milligrams of fentanyl can be lethal depending on a person’s body size, tolerance and past usage, according to the U.S. Drug Enforcement Administration.
—Rosalio Ahumada, Sacbee.com, 29 May 2025
Rosa Rodriguez’s plea deal said the parties involved made an agreement that every 10 pills that were distributed contained at least one gram of a substance containing a detectable amount of fentanyl.
—Silas Morgan, The Orlando Sentinel, 29 May 2025
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Max Zahn, ABC News, 30 May 2025
The comments follow a ruling from judges on the Court of International Trade who said Trump exceeded his authority on tariffs, which are aimed both at combating barriers against American goods abroad and stemming the flow of fentanyl across the U.S. border.
—Jeff Cox, CNBC, 29 May 2025
Two milligrams of fentanyl can be lethal depending on a person’s body size, tolerance and past usage, according to the U.S. Drug Enforcement Administration.
—Rosalio Ahumada, Sacbee.com, 29 May 2025
Rosa Rodriguez’s plea deal said the parties involved made an agreement that every 10 pills that were distributed contained at least one gram of a substance containing a detectable amount of fentanyl.
—Silas Morgan, The Orlando Sentinel, 29 May 2025
See All Example Sentences for fentanyl
Cite this Entry
“Fentanyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fentanyl. Accessed 7 Jun. 2025.
Copy CitationMedical Definition
fentanyl
noun
fen·ta·nyl
ˈfent-ᵊn-ˌil
: a synthetic opioid narcotic analgesic C22H28N2O with pharmacological action similar to morphine that is administered transdermally as a skin patch and in the form of its citrate C22H28N2O·C6H8O7 is administered orally or parenterally
Note: Fentanyl is marketed under the trademark Actiq.
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