[{"Bold_text": "adjective", "List Items": ["serious and zealous in , purpose, or effort:an earnest worker.Synonyms: ambitious , industrious , determined , purposeful , intent , fervent Antonyms: frivolous", "showing depth and sincerity of feeling:earnest words; an earnest entreaty.", "seriously important; demanding or receiving serious attention."]}, {"Bold_text": "noun", "List Items": ["seriousness and zealousness:to speak in earnest."]}, {"Bold_text": "noun", "List Items": ["a portion of something, given or done in advance as a pledge of the remainder.", "Law. earnest money(def) earnest money(def).", "anything that gives pledge, promise, or indication of what is to follow."]}]