1. suffering from illness or poor health
2. experiencing problems or difficulties; in poor condition

Examples

• The ailing patient was rushed to the hospital.
• She stayed home to care for her ailing grandmother.
• The company’s ailing finances forced them to lay off workers.
• The ailing economy showed signs of recovery.
• His ailing back prevented him from playing sports.
• The ailing school system needed major reforms.
• The doctor prescribed medication for the ailing child.