[{"Bold_text": "verb (used with object)", "List Items": ["to irritate or provoke to a high degree; annoy extremely:He was exasperated by the senseless delays.Synonyms: infuriate , inflame , vex , anger , provoke , incense", "Archaic.to increase the intensity or violence of (disease, pain, feelings, etc.).Synonyms: exacerbate"]}, {"Bold_text": "adjective", "List Items": ["Botany.rough; covered with hard, projecting points, as a leaf."]}]