[{"Bold_text": "verb (used with object)", "List Items": ["to cause pain, uneasiness, or trouble to:Inside our own bodies lies the most powerful cure for what ails us—our immune systems.He thinks lowering taxes is the answer to all that ails our economy.Synonyms: distress , annoy , bother"]}, {"Bold_text": "verb (used without object)", "List Items": ["to be unwell; feel pain; be ill:He's been ailing for some time."]}]