[{"word":"overburdens","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The rock and subsoil that lies above a mineral deposit such as a coal seam.","synonyms":[],"antonyms":[]},{"definition":"A sterile stratum that lies above the stratum being investigated","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To overload or overtax","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/overburden","https://en.wiktionary.org/wiki/overburdens"]}]