[{"word":"blackens","phonetics":[],"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","https://en.wiktionary.org/wiki/blackens"]}]