[{"word":"septuagenarian","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"One who is between the age of 70 and 79, inclusive.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Being between the age of 70 and 79, inclusive. In one's eighth decade.","synonyms":[],"antonyms":[]},{"definition":"Of or relating to a septuagenarian.","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/septuagenarian"]}]