naltrexone

N1A1L1T1R1E1X8O1N1E1
UK/nælˈtɹɛk.səʊn/US/nælˈtɹɛkˌsoʊn/

noun

A synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction.

UncommonScrabble 17
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounnaltrexone (uncountable)
  1. uncountablemedicineA synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system and is used chiefly in the treatment of heroin addiction.

Origin

Probably from naloxone + Latin tres (“three”).

Full word history & related roots →
Cite this entry
APA

naltrexone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/naltrexone

MLA

“naltrexone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/naltrexone. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “naltrexone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/naltrexone.

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