Fentanyl

//ˈfɛn.tə.nɪl// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    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); N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide. countable, uncountable

    "Approved name ! Other names ! Action and use Fentanyl .. ! 1-Phenethyl-f-(N-propionylanilino)-piperidine ! Narcotic; analgesic"

  2. 2
    trade names of a narcotic analgesic that can be inhaled and that acts on the central nervous system and may become addictive; used as a veterinary anesthetic and with other drugs before, during, and after surgery; also used as a nonlethal gas to incapacitate people in hostage situations; also abused as a recreational drug wordnet

Example

More examples

"Over the last decade, Estonia has reported that heroin has largely been replaced by fentanyl on the illicit market."

Etymology

From phen(yle)th(yl) + anil(ide).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.