Fentanyl
//ˈfɛn.tə.nɪl// noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 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 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
Synonyms
All synonymsExample
More examples"Over the last decade, Estonia has reported that heroin has largely been replaced by fentanyl on the illicit market."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
More for "fentanyl"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.