[{"Bold_text": "adjective", "List Items": ["free of deceit, hypocrisy, or falseness; earnest:a sincere apology.Synonyms: unaffected , guileless , open , honest , candid , frank Antonyms: false", "genuine; real:a sincere effort to improve; a sincere friend.Antonyms: false", "pure; unmixed; unadulterated.", "Obsolete.sound; unimpaired."]}]