[{"Bold_text": "adjective", "List Items": ["causing fear, apprehension, or dread:a formidable opponent.Synonyms: horrible , frightful , fearful , menacing , threatening , appalling , dreadful Antonyms: pleasant", "of discouraging or awesome strength, size, difficulty, etc.; intimidating :a formidable problem.", "arousing feelings of awe or admiration because of grandeur, strength, etc.", "of great strength; forceful; powerful:formidable opposition to the proposal."]}]