[{"word":"hypermiling","phonetic":"/ˈhaɪpəmaɪlɪŋ/","phonetics":[{"text":"/ˈhaɪpəmaɪlɪŋ/","audio":""},{"text":"/ˈhaɪpə˞maɪlɪŋ/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Driving a car slowly so as to maximize fuel efficiency.","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/hypermiling"]}]