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
Recent Examples on the Web
Gardner was booked on conspiracy to traffic fentanyl and smuggling contraband into a county detention facility.
—
David Goodhue, Miami Herald, 22 Sep. 2025
One remaining 20% levy on China is meant as pressure to curb the flow of fentanyl and materials used to produce it.
—Bloomberg, Mercury News, 20 Sep. 2025
Trafficking in more than 10 grams of fentanyl.
—Flint McColgan, Boston Herald, 20 Sep. 2025
Two weeks after Priscilla's grandson Benjamin Keough, the son of the late Lisa Marie Presley and her ex-husband Danny Keough, was buried following his death by suicide at age 27 in 2020, Navarone, 38, came to his mom asking for help getting off fentanyl.
—Brianne Tracy, PEOPLE, 19 Sep. 2025
See All Example Sentences for fentanyl
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.
David Goodhue, Miami Herald, 22 Sep. 2025
One remaining 20% levy on China is meant as pressure to curb the flow of fentanyl and materials used to produce it.
—Bloomberg, Mercury News, 20 Sep. 2025
Trafficking in more than 10 grams of fentanyl.
—Flint McColgan, Boston Herald, 20 Sep. 2025
Two weeks after Priscilla's grandson Benjamin Keough, the son of the late Lisa Marie Presley and her ex-husband Danny Keough, was buried following his death by suicide at age 27 in 2020, Navarone, 38, came to his mom asking for help getting off fentanyl.
—Brianne Tracy, PEOPLE, 19 Sep. 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 23 Sep. 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.
Love words? Need even more definitions?
Merriam-Webster unabridged
Share