[{"word":"gruelling","phonetics":[{"audio":"https://api.dictionaryapi.dev/media/pronunciations/en/gruelling-au.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=75797176","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}},{"text":"/ˈɡɹʊə.lɪŋ/","audio":""},{"text":"/ˈɡɹu.lɪŋ/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/gruelling-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=7469637"}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"(racing) A race in which the animal being raced finishes in a state of physical exhaustion.","synonyms":[],"antonyms":[]},{"definition":"A gruelling ordeal.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"So difficult or taxing as to make one exhausted; backbreaking.","synonyms":[],"antonyms":[]}],"synonyms":["backbreaking","exhausting"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/gruelling"]}]