[{"word":"knock-up","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A short practice session before a tennis match.","synonyms":[],"antonyms":[]},{"definition":"Something constructed shoddily or hastily.","synonyms":[],"antonyms":[]},{"definition":"A pregnancy.","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/knock-up"]}]