[{"word":"ruthless","phonetic":"/ˈɹuːθləs/","phonetics":[{"text":"/ˈɹuːθləs/","audio":""}],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Without pity or compassion; cruel, pitiless.","synonyms":[],"antonyms":["ruthful"]}],"synonyms":[],"antonyms":["ruthful"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/ruthless"]}]