[{"word":"flightless","phonetics":[],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Unable to fly. Usually used with birds such as the penguin, ostrich, and emu.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["flighted","volant"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/flightless"]}]