carfentanil

C3A1R1F4E1N1T1A1N1I1L1
UK/kɑːˈfɛn.tə.nɪl/US/kɑɹˈfɛn.təˌnɪl/

noun

A narcotic painkiller that is four orders of magnitude more potent than morphine, used for tranquilizing large animals and abused as a recreational drug.

Similar
4-carbomethoxyfentanylWildnilsuper fentcarfent
OriginEnglish car(boxylate) →
Scrabble 16
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Meanings

nouncarfentanil (uncountable)

alternative carfentanyl

  1. uncountablechemistryA narcotic painkiller that is four orders of magnitude more potent than morphine, used for tranquilizing large animals and abused as a recreational drug.

    He’d been hearing rumours lately of carfentanil in the supply line, which terrified him: one hundred times stronger than fentanyl, approved for the sole purpose of tranquilizing elephants.

    2020, Emily St. John Mandel, The Glass Hotel, Picador (2021), page 292

    Synonyms: 4-carbomethoxyfentanyl, Wildnil, super fent, carfent

Synonyms & antonyms

nounA narcotic painkiller that is four orders of magnitude more potent than morphine, used for tranquilizing large animals and abused as a recreational drug.

Similar
4-carbomethoxyfentanylWildnilsuper fentcarfent
Also see
4-carbomethoxyfentanylwildnil

Origin

  1. Englishcarboxylic acid
  2. Englishcar(boxylate)
  3. Englishcarfentanil

From car(boxylate) + -fentanil (“opioid receptor agonist, analgesic”).

Full word history & related roots →

Translations

French carfentanyl, carfentanil
  • carfentanylTranslations
  • carfentanilTranslations
Spanish carfentanil
  • carfentanilTranslations
Cite this entry
APA

carfentanil. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/carfentanil

MLA

“carfentanil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/carfentanil. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “carfentanil,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/carfentanil.

Source: carfentanil on Wiktionary, CC BY-SA 4.0.