[{"word":"unchallenged","phonetics":[],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Not having any challengers.","synonyms":[],"antonyms":[]},{"definition":"Lacking experience due to lack of challenges; untested.","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/unchallenged"]}]