[{"word":"naltrexone","phonetic":"/nælˈtɹɛksəʊn/","phonetics":[{"text":"/nælˈtɹɛksəʊn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An opiate antagonist used to treat opioid dependence","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/naltrexone"]}]