[{"Bold_text": "adjective", "List Items": ["busy or occupied; involved:deeply engaged in conversation.", "pledged to be married; betrothed:an engaged couple.", "under engagement; pledged:an engaged contractor.", "entered into conflict with:desperately engaged armies.", "Mechanics. interlocked .(of wheels) in gear with each other.", "interlocked .", "(of wheels) in gear with each other.", "Architecture.(of a distinct member) built so as to be truly or seemingly attached in part to the structure before which it stands:an engaged column."]}]