[{"word":"pertinacious","phonetic":"/ˌpɜːtɪˈneɪʃəs/","phonetics":[{"text":"/ˌpɜːtɪˈneɪʃəs/","audio":""},{"text":"/pɝtn̩ˈeɪʃəs/","audio":""}],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Holding tenaciously to an opinion or purpose.","synonyms":[],"antonyms":[]},{"definition":"Stubbornly resolute or tenacious.","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/pertinacious"]}]