[{"word":"toughness","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The state of being tough","synonyms":[],"antonyms":[]},{"definition":"(of a metal) Resistance to fracture when stressed","synonyms":[],"antonyms":[]},{"definition":"A formidable difficulty","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/toughness"]}]