[{"Bold_text": "adjective", "List Items": ["not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull.Synonyms: unobservant , dim , slow , boorish , gauche , imperceptive , blind , insensitive , tactless , unfeeling", "not sharp, acute, or pointed; blunt in form.", "(of a leaf, petal, etc.) rounded at the extremity.", "indistinctly felt or perceived, as pain or sound."]}]