[{"word":"refractory","phonetics":[{"audio":"https://api.dictionaryapi.dev/media/pronunciations/en/refractory-au.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=75857756","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}},{"text":"/ɹɪˈfɹæk.təɹ.i/","audio":""},{"text":"/ɹɪˈfɹæk.təɹ.i/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/refractory-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=4794796","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A material or piece of material, such as a brick, that has a very high melting point.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Obstinate and unruly; strongly opposed to something.","synonyms":["contrary","fractious"],"antonyms":[]},{"definition":"Not affected by great heat.","synonyms":["fireproof","heat-resistant"],"antonyms":[]},{"definition":"Difficult to treat.","synonyms":[],"antonyms":[]},{"definition":"Incapable of registering a reaction or stimulus.","synonyms":[],"antonyms":[]}],"synonyms":["contrary","fractious","fireproof","heat-resistant"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/refractory"]}]