[{"word":"optimistic","phonetic":"/ˌɒptɪˈmɪstɪk/","phonetics":[{"text":"/ˌɒptɪˈmɪstɪk/","audio":""},{"text":"/ˌɑptɪˈmɪstɪk/","audio":""}],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Expecting the best in all possible ways.","synonyms":[],"antonyms":["pessimistic"],"example":"in an optimistic mood"},{"definition":"Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.","synonyms":[],"antonyms":[],"example":"optimistic concurrency"}],"synonyms":[],"antonyms":["pessimistic"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/optimistic"]}]