[{"word":"supergrass","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An informer providing substantial quantities of information on criminal or terrorist activities to the police.","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/supergrass"]}]