Example: "My poor ailing grandmother"
To cause to suffer; to trouble, afflict. (now chiefly in interrogative or indefinite constructions.)
Example: "Have some chicken soup. it's good for what ails you."
To be ill; to suffer; to be troubled.
An ailment.
Sickly; sick; ill; unwell.
Example: "She cared for her ailing brother day in, day out."