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Definition of fentanyl

fentanyl

/ˈfɛn.tə.nɪl/
fen · ta · nyl
Plural:fentanyls
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fentanyl Lexical Profile

fentanyl Game Scores & Validity

• noun

1

A potent synthetic opioid drug used medically as a rapid-acting analgesic and anesthetic, and also manufactured and distributed illicitly as a narcotic.

Example

"The anesthesiologist administered a carefully measured dose of fentanyl to manage the patient's severe post-surgical pain."

• Nearby Words

feni river
fennec fox
fennel
fentanyl
fenugreek
fer de lance
feral

Word Origin & Etymology

Coined in the early 1960s by Belgian chemist Paul Janssen as a contraction of its chemical name, phenethyl-propionyl-anilinopiperidine, combined with the chemical suffix -yl.

Cite this Entry

Wordmom. (2026). Definition of Fentanyl. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fentanyl
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