[{"word":"frontier","phonetic":"/fɹʌnˈtɪə/","phonetics":[{"text":"/fɹʌnˈtɪə/","audio":""},{"text":"/fɹʌnˈtɪɹ/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/frontier-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=60782472","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The part of a country which borders or faces another country or unsettled region","synonyms":[],"antonyms":[]},{"definition":"The most advanced or recent version of something; leading edge.","synonyms":[],"antonyms":[],"example":"the frontier of civilization"},{"definition":"An outwork of a fortification.","synonyms":[],"antonyms":[]}],"synonyms":["border","marches"],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To live as pioneers on frontier territory.","synonyms":[],"antonyms":[]},{"definition":"To place on the frontier.","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/frontier"]}]