[{"word":"supersonic","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An aircraft that can travel at the speed of sound.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"(of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure)","synonyms":[],"antonyms":[]},{"definition":"(of a sound) ultrasonic, having a frequency too high to be audible","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/supersonic"]}]