[{"Bold_text": "adjective", "List Items": ["doubtful; marked by or occasioning doubt:a dubious reply.Synonyms: unclear , obscure , ambiguous , equivocal", "of doubtful quality or propriety; questionable:a dubious compliment; a dubious transaction.", "of uncertain outcome:in dubious battle.", "wavering or hesitating in opinion; inclined to doubt.Synonyms: hesitant , uncertain , undecided"]}]