[{"word":"blacken","phonetic":"/ˈblækən/","phonetics":[{"text":"/ˈblækən/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/blacken-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=1779936","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"verb","definitions":[{"definition":"(causative) To cause to be or become black.","synonyms":[],"antonyms":[]},{"definition":"To become black.","synonyms":[],"antonyms":[],"example":"The sky blackened as the storm clouds rolled in."},{"definition":"(causative) To make dirty.","synonyms":[],"antonyms":[]},{"definition":"To defame or sully.","synonyms":[],"antonyms":[]},{"definition":"To cook (meat or fish) by coating with pepper, etc., and quickly searing in a hot pan.","synonyms":[],"antonyms":[]}],"synonyms":["defame","denigrate","sully","taint","tarnish","black","denigrate","dirty","soil"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/blacken"]}]