[{"Bold_text": "noun", "List Items": ["a calamitous event, especially one occurring suddenly and causing great loss of life, damage, or hardship, as a flood, airplane crash, or business failure.Synonyms: affliction , adversity , reverse , blow , accident , mishap , misadventure , misfortune , mischance", "Obsolete.an unfavorable aspect of a star or planet."]}]